Pulmonary vascular response is dependent upon initial state of the vasculature.
D000818:Animals; D004285:Dogs; D006801:Humans; D009609:Nitrous Oxide / Q000494:pharmacology*; D011652:Pulmonary Circulation / Q000187:drug effects*; D014655:Vascular Resistance / Q000187:drug effects*
D009609:Nitrous Oxide