Search results for: Gerrit A van Essen
International Journal of Drug Policy > 2017 > 47 > C > 117-125
The Lancet Infectious Diseases > 2013 > 13 > 6 > 485-496
The Lancet > 2008 > 371 > 9616 > 908-914
Pain > 2007 > 132 > Supplement 1 > S52-S59
Annals of Epidemiology > 2006 > 16 > 9 > 692-695
The Lancet > 2006 > 367 > 9506 > 219-224
Journal of the American Medical Directors Association > 2005 > 6 > 6 > 367-374