EMERGENCY response workers frequently are required to wear respiratory protection to prevent the inhalation of toxic air contaminants. However, it is known there is a wide range of tolerance to the ...

WITHIN recent years many workers in the domain of physiology have made use of the more modern physical and chemical methods in their investigations, as is evident even from the most cursory study of ...

THE first edition of Starling's “Principles of Human Physiology” appeared in 1912. It set a high standard then, and that position has been fully maintained by subsequent editions. The present one is ...

"Philadelphia: T.K. & P.G. Collins, printers"--Verso of t.p. The leaves of plates are signed: J.T. French, del.; Sinclair's Lith., Philad. Publisher's advertisements ...