title: Observations on the killing of microbial protoplasts by serum.
mesh_terms: D000362:Agar; D001769:Blood; D013293:Enterococcus faecalis; D006801:Humans; D007740:L Forms / Q000187:drug effects*; D009113:Muramidase; D010406:Penicillins
chemical_list: D010406:Penicillins; D000362:Agar; D009113:Muramidase