title: The use of antibiotics in the first year of life and development of asthma: which comes first?
authors.forename: J
authors.initials: J
authors.lastname: Mattes
authors.forename: W
authors.initials: W
authors.lastname: Karmaus
mesh_terms: D000900:Anti-Bacterial Agents / Q000009:adverse effects*; D001249:Asthma / Q000139:chemically induced* / Q000209:etiology; D004305:Dose-Response Relationship, Drug; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012141:Respiratory Tract Infections / Q000150:complications; D012307:Risk Factors
chemical_list: D000900:Anti-Bacterial Agents