TY  - RPRT
TI  - Pneumococcal vaccines: present and future.
AU  - Timothy R Peters
AU  - Kathryn M Edwards
PY  - 2002
DO  - 10.3928/0090-4481-20020401-10
UR  - https://pubmed.ncbi.nlm.nih.gov/11966249/
ID  - 11966249
ER  -