Effects of trypsin and certain surface-active agents on meningo-pneumonitis virus and on normal chorio-allantoic membrane particulates.
D000482:Allantois; D000818:Animals; D004622:Embryo, Mammalian / Q000187:drug effects*; D004625:Embryo, Nonmammalian; D011014:Pneumonia; D013501:Surface-Active Agents / Q000494:pharmacology*; D014357:Trypsin / Q000494:pharmacology*; D014780:Viruses
D013501:Surface-Active Agents; D014357:Trypsin
EMBRYO/effect of drugs on; SURFACE-ACTIVE SUBSTANCES/effects; TRYPSIN/effects; VIRUSES