[Observation on the nursery for infants with whooping cough in Łodz].
D035843:Biomedical Research; D006801:Humans; D007223:Infant; D009724:Nurseries, Infant; D014917:Whooping Cough / Q000517:prevention & control*
WHOOPING COUGH/prevention and control
Spostrze1zenia ze złobka kokluszowego w Łodzi.