[IMPORTANCE OF THE NITROGEN PROTOXIDE METHOD IN THE STUDY OF LEFT-RIGHT CIRCULATORY SHUNTS].
D006328:Cardiac Catheterization; D006801:Humans; D009569:Nitric Oxide; D009609:Nitrous Oxide; D010092:Oximetry; D012106:Research
D009569:Nitric Oxide; D009609:Nitrous Oxide
HEART CATHETERIZATION; NITROUS OXIDE; OXIMETRY