Infant mortality and the environment of a lesser metropolitan county: a study based on births in one calendar year.
D000397:Air Pollution; D005260:Female; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D010414:Pennsylvania; D011014:Pneumonia / Q000151:congenital; D011247:Pregnancy; D011295:Prenatal Care; D012140:Respiratory Tract Diseases / Q000151:congenital; D012621:Seasons; D012959:Socioeconomic Factors; D014505:Urban Population