TY  - RPRT
TI  - Penicillin-nonsusceptible Pneumococcus.
AU  - R J Leggiadro
PY  - 2000
DO  - 10.1016/s0924-8579(99)00171-5
UR  - https://pubmed.ncbi.nlm.nih.gov/10720802/
ID  - 10720802
ER  -