Directors of Photography:
Library and Archives Canada: 16mm.
"Trimethoprim-Sulfamethoxazole, its action and use in medicine. Short history of chemotherapy from Paul Erlich to sulfonamides to penicillin to antibiotics. Film includes micro-photography of bacteria showing the effects of the drug on them. Film recalls typhoid epidemic on the cruise ship S.S. Oronsay in Vancouver harbour in July 1970."