Healthy Skepticism Library item: 373
Warning: This library includes all items relevant to health product marketing that we are aware of regardless of quality. Often we do not agree with all or part of the contents.
 
Publication type: Journal Article
So AD.
Free gifts: redundancy or conundrum?
J Gen Intern Med 1998 Mar; 13:(3):213-
http://www.blackwell-synergy.com/doi/full/10.1046/j.1525-1497.1998.00058.x