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1. D. Trew, Management of Equipment in an ISO/IEC 17025:2017 Accredited Laboratory. Part 1: Classifications of Laboratory Equipment, 2020 http://www.articles.davidtrew.co.uk/classifications_of_laboratory_equipment1.html

2. D. Trew, Management of Equipment in an ISO/IEC 17025:2017 Accredited Laboratory. Part 2: Equipment Lifecycle Models, 2020 http://www.articles.davidtrew.co.uk/equipment_lifecycle_models1.html

3. D Trew, Data Integrity in Regulated and Accredited Environments Part 2: Strategies for Ensuring Comprehensive Data Integrity, 2019 http://www.articles.davidtrew.co.uk/strategies_for_ensuring_comprehensive_data_integrity.html

4. D Trew, Data Integrity in Regulated and Accredited Environments Part 1: Fundamentals and Principles, 2019 http://www.articles.davidtrew.co.uk/fundamentals_and_principals_of_data_integrity1.html

5. D. Trew, The Role of the Quality Plan in an ISO 17025 Laboratory, 2019 http://www.articles.davidtrew.co.uk/quality_plans.html

6. D. Trew, Recent Changes to the ISO 17025 International Standard, 2019 http://www.articles.davidtrew.co.uk/changes_to_iso_17025.html

7. D. Trew, The Process of Achieving ISO 17025 Accreditation, 2019 http://www.articles.davidtrew.co.uk/achieving_iso_17025_accreditation.html

8. D. Trew, Why The FDA Shut Down Able Laboratories – 5 Data Integrity Issues Video, 2018, https://learnaboutgmp.com/good-laboratory-practices-cglp/why-the-fda-shut-down-able-laboratories-5-data-integrity-issues-video/

9. D. Trew, The 6 Essential Stages of a Standard Operating Procedure (SOP) Life Cycle Video, 2018, https://learnaboutgmp.com/good-documentation-practices-gdocp/the-6-essential-stages-of-a-standard-operating-procedure-sop-life-cycle-video/

10. D. Trew, Consequences of Non-Compliance for Regulated Laboratories Video, 2018 https://learnaboutgmp.com/data-integrity-alcoa/consequences-of-non-compliance-for-regulated-laboratories-video/

11. D. Trew, One Minute Guide Closing Deviations Successfully Video, 2017, https://learnaboutgmp.com/gmp/one-minute-guide-closing-deviations-successfully-video/

12. D. Trew, Reporting Laboratory Test Results Correctly Video, 2017, https://learnaboutgmp.com/gmp/report-laboratory-test-results-correctly-video/

13. D. Trew, Six Essential Stages Sop Life Cycle Video ,2017, https://learnaboutgmp.com/gmp/six-essential-stages-sop-life-cycle-video/

14. D. Trew, Nine Areas FDA Focus Auditing Laboratory Instrumentation, 2017, https://learnaboutgmp.com/gmp/nine-areas-fda-focus-auditing-laboratory-instrumentation/

15. D. Trew, How to Write Effective Standard Operating Procedures (SOPs), On-Line Electronic Learning Course, 2017, https://learnaboutgmp.com/elearning/write-effective-standard-operating-procedures-sops/

16. D. Trew, Five Things You Need to Know for Meaningful Laboratory Investigations Video, 2016, https://learnaboutgmp.com/gmp/5-things-need-know-meaningful-laboratory-investigations-video/

17. D. Trew, Two Minute to Guide Sampling in a Quality Control Laboratory Video, 2016, https://learnaboutgmp.com/gmp/2-minute-guide-sampling-quality-control-laboratory-video/

18. D. Trew, The 9 golden rules ensuring laboratory data integrity video, 2016, https://learnaboutgmp.com/gmp/ The 9-golden-rules-ensuring-laboratory-data-integrity-video/

19. D. Trew, Rounding Numbers and the Tie Break Rule Essential Laboratory Analysis, 2016, https://learnaboutgmp.com/gmp/rounding-numbers-tie-break-rule-essential-laboratory-analysis/

20. D. Trew, Four Phases to Conducting Laboratory Investigation Video, 2016, https://learnaboutgmp.com/gmp/four-phases-conducting-laboratory-investigation-video/

21. D. Trew, Obstructing Regulatory Inspections, 2016, https://learnaboutgmp.com/gmp/obstructing-regulatory-inspections/ and https://learnaboutgmp.com/gmp/obstructing-regulatory-inspections-part-2/

22. D. Trew, Laboratory Audits, On-Line Electronic Learning Course, 2016, http://learnaboutgmp.com/elearning/laboratory-audits/

23. D. Trew, Top 10 Tips When Preparing for a Laboratory Audit, 2015, https://learnaboutgmp.com/gmp/top-10-tips-when-preparing-for-a-laboratory-audit

24. D. Trew, Organisation, Roles and Infrastructure for Regulated Laboratories, On-Line Electronic Learning Course, 2015, http://learnaboutgmp.com/elearning/organisation-roles-and-infrastructure-for-regulated-laboratories/

25. D. Trew, Nine-Requirements-to-Assure-the-Integrity-of-Laboratory-Records, 2015 https://learnaboutgmp.com/gmp/9-requirements-to-assure-the-integrity-of-laboratory-records/

26. D. Trew, Laboratory Investigations & Deviations, On-Line Electronic Learning Course, 2015 http://learnaboutgmp.com/elearning/laboratory-investigations-deviations/

27. D. Trew, How Laboratory Testing should be Performed in a Quality Regulated Environment, 2015, https://learnaboutgmp.com/gmp/how-laboratory-testing-should-be-performed-in-a-quality-regulated-environment

28. D. Trew, Performing Analysis in a Regulated or Accredited Laboratory, On-Line Electronic Learning Course, 2015, http://www.learnaboutgmp.com/e-learning/performing-analysis-in-a-regulated-or-accredited-laboratory

29. D. Trew, The Purpose of a Laboratory Quality Assurance Program (QAP), 2015, https://learnaboutgmp.com/gmp/the-purpose-of-a-laboratory-quality-assurance-program-qap

30. D. Trew, An Introduction to Current Good Laboratory Practice (cGLP), On-Line Electronic Learning Course, 2015,  http://www.learnaboutgmp.com/e-learning/an-introduction-to-current-good-laboratory-practice-(cglp)

31. D. Trew, Controlling Chromatographic Integration in a Regulated or Accredited Laboratory, 2015 - https://learnaboutgmp.com/gmp/controlling-chromatographic-integration-in-a-regulated-or-accredited-laboratory

32. D. Trew, Requirements to Assure the Integrity of Laboratory Records & Data,2014, https://learnaboutgmp.com/gmp/requirements-to-assure-the-integrity-of-laboratory-records-data

33. D. Trew, An Easy to Understand Guide to Current Good Laboratory Practice (cGLP), Premier Validation, Nenagh, 2014 http://www.learnaboutgmp.com/book/an-easy-to-understand-guide-to-current-good-laboratory-practices-(cglp)-29

34. D. Trew, Laboratory Data Integrity, On-Line Electronic Learning Course, 2014, http://www.learnaboutgmp.com/e-learning/laboratory-data-integrity

35. D. Trew, The Application of Failure Mode Effects and Analysis (FEMA) to the Qualification of Laboratory Instrumentation, 2014 https://learnaboutgmp.com/gmp/the-application-of-fmea-to-laboratory-instrument-qualification-risk-management and https://learnaboutgmp.com/gmp/the-application-of-fmea-to-laboratory-instrument-qualification-risk-management-2,  31 May 2014

36. D. Trew, An easy to Understand Guide to HPLC Validation, Premier Validation, Nenagh, 2013, http://www.learnaboutgmp.com/book/an-easy-to-understand-guide-to-hplc-validation-8

37. I. Leader, P. Jupp, P. Weatherhead, V. Huynh, D. Trew, M. Handley, R. Donkor, D. Wheatley, The use of LC-MS in a forced degradation study of a novel molecule leading to the understanding of longer term drug product behaviour. Poster Presentation at 25 LC/MS Montreux Symposium 12-14 Nov 2008

38. K. J. Box, R. E. Donkor, I. P. Leader, P. A. Jupp, D. F. Trew, C. H. Turner, J. Pharm. Biomed. Anal., 2008, 47, 301-311

39. P.  Jupp, D. Trew and C. Turner, NMR – An alternative method to measure pKa, Poster Presentation at FDA Science Forum, Washington D.C. 18-20 April 2006

40. P. Jupp, P. Weatherhead, V. Huynh, D. Trew, C. Turner, T. Day, D. Wheatley, Separation, characterization and quantification of an unexpected degradant formed from tocopherol succinate polyethylene glycol using HPLC, LC-MS and NMR, Poster Presentation at FDA Science Forum, Washington D.C. 18-20 April 2006

41. B. C. Challis, W. G. Guthrie, D.V. Roper, D. F. Trew, Chemical Compositions for Inhibiting Nitrosation Reactions in Toiletries and Cosmetics, United States Patent 5807542, 1998

42. B. C. Challis, D. F. Trew, W. G. Guthrie, D.V. Roper, Int. J. Cosmet. Sci., 1995, 17, 119-131.

43. B. C. Challis, W. G. Guthrie, D.V. Roper, D. F. Trew, Proceedings of the 18th International Congress of the International Federation of Societies of Cosmetic Chemists, Venice, 3-6 Oct 1994, volume 2, Pages 360-371.

44. D. F. Trew, Analytical Methods for Non-Volatile N-Nitroso Compounds, PhD thesis, The Open University, 1992.