[Attempted evaluation of the effects of influenza on stillbirths].
D004196:Disease Outbreaks; D005260:Female; D005313:Fetal Death / Q000453:epidemiology*; D006801:Humans; D007231:Infant, Newborn; D007251:Influenza, Human / Q000453:epidemiology*; D011044:Poland; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology*
Próba oszacowania wpływu grypy na wystepowanie martwych urodzeń.