title: Relationship between fecal alpha 1-antitrypsin and colonization with Clostridium difficile in asymptomatic infants.
mesh_terms: D001942:Breast Feeding; D003015:Clostridium Infections / Q000382:microbiology*; D005243:Feces / Q000032:analysis; D006801:Humans; D007223:Infant; D007225:Infant Food; D007231:Infant, Newborn; D000515:alpha 1-Antitrypsin / Q000032:analysis*
chemical_list: D000515:alpha 1-Antitrypsin