The effect of analgesia and anesthesia on the initial fetal respirations, with particular reference to the use of chloroform, levallorphan, and halothane.
D000698:Analgesia; D000758:Anesthesia; D000773:Anesthesia, Obstetrical; D002725:Chloroform / Q000494:pharmacology*; D006221:Halothane; D007231:Infant, Newborn / Q000502:physiology; D007977:Levallorphan; D009020:Morphine / Q000037:antagonists & inhibitors*; D012119:Respiration / Q000494:pharmacology*
D007977:Levallorphan; D009020:Morphine; D002725:Chloroform; D006221:Halothane
ANESTHESIA, OBSTETRICAL; CHLOROFORM/pharmacology; INFANT, NEWBORN/physiology; MORPHINE/antagonists; RESPIRATION/pharmacology