Infant admissions to hospital and maternal smoking.
D000367:Age Factors; D001722:Birth Order; D001724:Birth Weight; D001991:Bronchitis / Q000453:epidemiology; D002673:Child, Hospitalized; D004787:Environmental Pollution; D005260:Female; D005759:Gastroenteritis / Q000453:epidemiology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007239:Infections / Q000453:epidemiology; D007557:Israel; D008431:Maternal-Fetal Exchange; D009017:Morbidity; D011014:Pneumonia / Q000453:epidemiology; D011041:Poisoning / Q000453:epidemiology; D011247:Pregnancy; D011296:Prenatal Diagnosis; D011446:Prospective Studies; D012141:Respiratory Tract Infections / Q000453:epidemiology / Q000209:etiology; D012621:Seasons; D012907:Smoking / Q000150:complications*; D012923:Social Class; D014947:Wounds and Injuries / Q000453:epidemiology