Effect of Opting Out
Bracy, R. H., Cantor, H., Goldman, A. J., Gore, B., Harris, I. J., Hool, B., Lee, D., Livingstone, N., Pratap, H. J., Stone, A.Volume:
3
Language:
english
Journal:
BMJ
DOI:
10.1136/bmj.3.5878.504-b
Date:
September, 1973
File:
PDF, 287 KB
english, 1973