title: Resistance of the group A streptococcal L form to sonic oscillation.
mesh_terms: D001433:Bacteriolysis; D002473:Cell Wall; D007740:L Forms / Q000145:classification / Q000166:cytology; D009026:Mortality; D012706:Serratia marcescens; D013291:Streptococcus / Q000145:classification / Q000166:cytology; D014465:Ultrasonics