title: A question that won't go away.
authors.affiliation: Pediatric Gastroenterology, Hepatology and Nutrition, University of Colorado Health Sciences Center, Denver, Colorado, USA.
authors.forename: Judith M
authors.initials: JM
authors.lastname: Sondheimer
mesh_terms: D000900:Anti-Bacterial Agents / Q000009:adverse effects*; D004917:Erythromycin / Q000009:adverse effects*; D005260:Female; D006801:Humans; D006984:Hypertrophy; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011707:Pyloric Stenosis / Q000139:chemically induced* / Q000601:surgery; D012189:Retrospective Studies
chemical_list: D000900:Anti-Bacterial Agents; D004917:Erythromycin