Beecham's Pills (Firm)
Angier Chemical Co
Albert Fraenkel
Joh. Gust Haartman
Merck Sharp and Dohme. Medical Literature Dept.
Domingo M. Aviado
William John Blackman
World Health Organization. Scientific Group on Opiates and their Alternates for Pain and Cough Relief.
P.H. Galloway Ltd
Thomas Hollis
H Canonne
Valda (Firm)
John Blackman
Pier Carlo Braga
Mexican Medicine Co
T. Roberts & Co
United States. Congress. House. Committee on Energy and Commerce
K. Fan Chung
ICON Health Publications