title: Fetal breathing movements monitored by real-time B-mode ultrasound:basal appearance and response to challenges.
mesh_terms: D000649:Amniocentesis; D001786:Blood Glucose / Q000032:analysis; D005260:Female; D005317:Fetal Growth Retardation / Q000175:diagnosis; D005323:Fetal Monitoring; D005333:Fetus / Q000502:physiology*; D006801:Humans; D006935:Hypercapnia / Q000175:diagnosis; D008431:Maternal-Fetal Exchange; D009068:Movement; D011247:Pregnancy; D012119:Respiration; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography
chemical_list: D001786:Blood Glucose