Erik de Klerk

The compliance-questionnaire-rheumatology compared with electronic medication event monitoring: a validation study.

Erik de Klerk, Désirée van der Heijde, R. Landewé et al. · PubMed · 2003 · 186 citations

Medicine, Internal Medicine, Pharmacology +13

Patient compliance in rheumatoid arthritis, polymyalgia rheumatica, and gout.

Erik de Klerk, Désirée van der Heijde, Robert Landewé et al. · PubMed · 2003 · 158 citations

Medicine, Pharmacology, Pharmacotherapy +17

Contending paradigms for the interpretation of data on patient compliance with therapeutic drug regimens

John Urquhart, Erik de Klerk · Statistics in Medicine · 1998 · 106 citations

Pharmacy, Pharmacology, Pharmacotherapy +10

Effect of intervention through a pharmaceutical care program on patient adherence with prescribed once‐daily atorvastatin

Bernard Vrijens, Ann Belmans, K. E. Matthys et al. · Pharmacoepidemiology and Drug Safety · 2005 · 85 citations

Pharmacy, Pharmacology, Pharmacotherapy +17

Modelling the association between adherence and viral load in HIV-infected patients

Bernard Vrijens, Els Goetghebeur, Erik de Klerk et al. · Statistics in Medicine · 2005 · 51 citations

Pharmacy, Clinical Pharmacokinetics, Pharmacokinetics +17