TY - BOOK AU - Johnson,Dwight R. TI - Laboratory diagnosis of group A streptococcal infections SN - 9241544953 AV - MED RC116.S84 L33 PY - 1996/// CY - Geneva PB - World Health Organization KW - Streptococcal infections KW - Diagnosis, Laboratory KW - Streptococcal Infections KW - Streptococcus pyogenes ER -