Hazards of analgesia for newborn infants.
D015760:Alfentanil; D000700:Analgesics / Q000009:adverse effects*; D005283:Fentanyl / Q000009:adverse effects / Q000031:analogs & derivatives*; D006439:Hemodynamics / Q000187:drug effects*; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature / Q000502:physiology*
D000700:Analgesics; D015760:Alfentanil; D005283:Fentanyl