title: Time of onset of effective ventilation at birth.
mesh_terms: D001784:Blood Gas Analysis; D005260:Female; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D010100:Oxygen / Q000097:blood; D011247:Pregnancy; D012119:Respiration; D013997:Time Factors; D014470:Umbilical Cord
chemical_list: D010100:Oxygen