title: A study of the relationship between sudden infant death syndrome and environmental factors.
mesh_terms: D000397:Air Pollution / Q000032:analysis; D001344:Autopsy; D001724:Birth Weight; D002641:Chicago; D003645:Death, Sudden; D004777:Environment; D004781:Environmental Exposure; D005843:Geography; D006801:Humans; D006813:Humidity; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D011156:Population Density; D012621:Seasons; D012959:Socioeconomic Factors; D013458:Sulfur Dioxide / Q000032:analysis; D013696:Temperature; D014887:Weather
chemical_list: D013458:Sulfur Dioxide