TY  - RPRT
TI  - Pneumococcal vaccine.
AU  - K L Hattotuwa
AU  - C R Hind
PY  - 1997
DO  - 10.1136/pgmj.73.858.222
UR  - https://pubmed.ncbi.nlm.nih.gov/9156124/
ID  - 9156124
ER  -