For a considerable number of years the question of the influence of exercise upon the size of
the heart has been a debated one. A large clinical literature prior to the introduction of the x-…

It has long been known that the injection of morphin salts into unanesthetized dogs, after a
brief period of stimulation due to nausea, results in a slow, irregular heart rate, the typical" …

Methods. Numerous tests were made on 15 different dogs. They were anesthetized with
morphine and sodium barbital, the latter anesthetic being used, since visceral reflexes appear to …

The several recent outbreaks of botulism, which have been traced to foods preserved by some
method of heating, have focused critical attention on the thermal resistance of the spores …

SINCE current opinion considers the spleen as an organ which may regulate the circulating
blood volume by dilatation or constriction through the activity of the smooth muscles of its …

… However, were the density increased by a factor of even 100, the hydrogen would probably
be largely in molecular form (McCrea & McNally i960). The significance of this is that the …

The effect of injections of mercuric chloride and mercuric succinate on the automatic and
conductive mechanism of dogs' and cats' hearts has been studied electrocardiographically. …

Pancreatic tissue extract given subcutaneously to man caused contraction of both small and
large bowels, and seemed to cause clinical improvement in megacolon. In vitro, pancreatic …

It being generally agreed that the present very luminous stars have existed as such for only
a small fraction of the past life of the Galaxy, it becomes important to decide whether they are …

METHODS. The aortic pressures were accurately determined under morphine-sodium
barbital anesthesia with a calibrated optical manometer (Wiggers, 1928) inserted into the …