TY  - RPRT
TI  - Indications for pneumococcal vaccine.
AU  - P H Mäkelä
PY  - 1981
DO  - 10.1016/s0140-6736(81)91873-0
UR  - https://pubmed.ncbi.nlm.nih.gov/6110108/
ID  - 6110108
ER  -