[Continous studies on morbidity in children up to 3-years-old according to certain environmental factors].
D002675:Child, Preschool; D004782:Environmental Health; D005163:Factor Analysis, Statistical; D005260:Female; D005767:Gastrointestinal Diseases / Q000453:epidemiology; D006801:Humans; D007223:Infant; D008297:Male; D009017:Morbidity; D010372:Pediatrics; D011044:Poland; D012141:Respiratory Tract Infections / Q000453:epidemiology; D012959:Socioeconomic Factors
Badania ciagłe zachorowalności dzieci w wieku do lat trzech na tle niektórych warunków środowiskowych.