Key passage(s)
Whole article
Download the full article as a PDF Schulz KF, Chalmers I, Hayes RJ, Altman DG (1995). JAMA 273(5):408-412.
Acknowledgements
The James Lind Library is grateful to:
JAMA for allowing the James Lind Library to link to this and other articles of historical relevance (email to Iain Chalmers from Annette Flanagin, 29 August 2014).