The biological purification of vaccine emulsions by penicillin.
D004655:Emulsions; D006801:Humans; D010406:Penicillins; D014612:Vaccines / Q000302:isolation & purification*
D004655:Emulsions; D010406:Penicillins; D014612:Vaccines
EMULSIONS; PENICILLIN; VACCINE/purification