TY  - RPRT
TI  - Rheumatic fever prophylaxis in developing countries--why earlier injections needed.
AU  - N Sinha
AU  - R K Saran
AU  - M Hasan
AU  - M C Bhatia
UR  - https://pubmed.ncbi.nlm.nih.gov/6852840/
ID  - 6852840
ER  -