Chowdhury M N
Trop Geogr Med. 1983 Sep;35(3):309-11.
A strain of Streptococcus pneumoniae has been isolated from a five-month-old child with persistent otitis media. The minimum inhibitory concentration (MIC) detected was 4 micrograms/ml penicillin. This strain was possibly selected out by inadequate penicillin V therapy.