TY  - RPRT
TI  - The continuing problem of pneumococcal infection.
AU  - B Chattopadhyay
PY  - 1988
DO  - 10.1093/jac/22.4.569-a
UR  - https://pubmed.ncbi.nlm.nih.gov/3204080/
ID  - 3204080
ER  -