【医】 链球菌性脓胸

streptococcal

streptococcal

streptococcal pyrogenic exotoxin

Lancefield's streptococcal grouping test

acute streptococcal gingvo-stomatitis

streptococcal enzymatic debridement

streptococcal M protein

acute streptococcal gingvo-stomatitis【口腔】