title: Freeze-drying of vaccinia virus grown on chick embryo membranes.
mesh_terms: D000818:Animals; D001639:Bicarbonates; D002642:Chick Embryo; D005321:Extraembryonic Membranes; D005612:Freeze Drying; D006801:Humans; D008722:Methods; D000644:Quaternary Ammonium Compounds; D013012:Sorbitol; D013194:Staining and Labeling; D014357:Trypsin / Q000494:pharmacology; D014611:Vaccination; D014616:Vaccinia virus; D014732:Vibration; D014776:Virus Cultivation
chemical_list: D001639:Bicarbonates; D000644:Quaternary Ammonium Compounds; D013012:Sorbitol; D014357:Trypsin