TY  - BOOK
AU  - JOHNSON DWIGHT R.
TI  - LABORATORY DIAGNOSIS OF GROUP A STREPTOCOCCAL INFECTIONS 
SN  - 92-4-154495-3
U1  - 616.9 1ST 
PY  - 1996///
CY  - GENEVA 
PB  - WORLD HEALTH ORGANIZATION 
ER  -