TY  - RPRT
TI  - Developing and deploying pneumococcal and haemophilus vaccines.
AU  - M C Steinhoff
PY  - 1993
DO  - 10.1016/0140-6736(93)91754-a
UR  - https://pubmed.ncbi.nlm.nih.gov/8103141/
ID  - 8103141
ER  -