[Skip to Content]
Access to paid content on this site is currently suspended due to excessive activity being detected from your IP address Please contact the publisher to request reinstatement.
[Skip to Content Landing]
Other Articles
April 30, 1938


Author Affiliations

Washington, D. C.

Professor of Biochemistry, George Washington University School of Medicine.

JAMA. 1938;110(18):1507. doi:10.1001/jama.1938.02790180095024

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.


To the Editor:—  In Queries and Minor Notes (The Journal, March 19) a correspondent, inquiring about the use of calcium salts in asthma, is told to use "tricalcium phosphate 4 Gm. in milk three times daily, calcium lactate 2 Gm. four times daily or calcium gluconate 4 Gm. four times daily." The recommendation of the use of tricalcium phosphate in milk as a method of administration of calcium is so much at variance with what is known about calcium absorption that it seems desirable to call attention to the following experimental data and basic facts:In 1927 Roe and Kahn (Absorption of Calcium from the Intestinal Tract of Human Subjects, The Journal, March 26, 1927, p. 980) observed a 91 per cent rise in the blood calcium of a normal human subject given 5 Gm. of calcium lactate in water by mouth and only a 28 per cent elevation of

First Page Preview View Large
First page PDF preview
First page PDF preview