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Comparative Study
. 1989 Apr 1;1(8640):735.
doi: 10.1016/s0140-6736(89)92260-5.

Increase in resistance to penicillin in pneumococci in Spain

J Casal, A Fenoll, M D Vicioso, R Muñoz
Comparative Study

Increase in resistance to penicillin in pneumococci in Spain

J Casal et al. Lancet. .
No abstract available

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