Methods Adult dogs varying from 9.0 to 15.7 Kg. were anesthetized with a 2.5 per cent solu-
tion of sodium pentothal given intravenously. An endotracheal tube was inserted and …

Method As pre-anesthetic medication, all animals received thiopentone, 400 to 500 mg., and
suxamethonium chloride (" Scoline"), 75 mg. by intravenous injection. A cuffed endotracheal …

Methods Extracorporeal circulation was carried out in nine adult mongrel dogs using a
Crafoord-Senning pump-oxygenator. Through a right thoracotomy a single cannula was …

MATERIALS AND METHODS Twelve healthy mongrel dogs, weighing from 6 to 15
kilograms, were anes thetized with intravenous Nembutol, intubated intratracheally, and …

Materials and Methods Healthy mongrel dogs" weighing 10–36 Kg. were used in these
experiments. All studies and procedures were performed under light sodium thiopcntal …

Materials and methods Six dogs weighing 13 to 16 kilograms and 1 dog weighing 32
kilograms were anesthetized with intravenous sodium pentobarbital, intubated, prepared …

MATERIALS AND METHODS A total of 50 adult mongrel dogs, whose average weight was
30 pounds (13.6 Kg.), were subjected to cardiac bypass under Sodium Pentothal (27.5 …

METHODS Mongrel dogs, weighing 8 to 21 kilograms, in apparent good health were used in
this study. The animals were lightly anesthetized with Pentothal sodium, and an …

Methods I Healthy large mongrel dogs were used in the experiments. They breathed
spontaneously with an endotracheal tube in place while anesthtized with 0.2 to 05'Z …

MATERIALS AND METHODS Adult mongrel dogs ranging in weight from 14 to 20 kilograms
were used. They were anesthetized by the intravenous injection of a 5 per cent solution of …