Biochemic Drug Assay Methods With Special Reference to the Pharmacodynamic Standardization of Drugs. By Paul S. Pittenger, Ph. G., Ph. C., Phar. D., Instructor of Pharmacodynamics, Departments of Pharmacy and Chemistry, Medico-Chirurgical College, Philadelphia; Member of Committee on Physiological Testing of the American Pharmaceutical Association, Member of the American Chemical Society, American Pharmaceutical Association, etc., Philadelphia; P. Blakiston's Son & Co.