PT  - JOURNAL ARTICLE
AU  - Michaelson, P.
TI  - Patent medicine formulas no longer required to be secret
DP  - 1975 May 17
TA  - Canadian Medical Association Journal
PG  - 1229--1230
VI  - 112
IP  - 10
4099  - http://www.cmaj.ca/content/112/10/1229.short
4100  - http://www.cmaj.ca/content/112/10/1229.full
SO  - CMAJ1975 May 17; 112