0
We're unable to sign you in at this time. Please try again in a few minutes.
Retry
We were able to sign you in, but your subscription(s) could not be found. Please try again in a few minutes.
Retry
There may be a problem with your account. Please contact the AMA Service Center to resolve this issue.
Contact the AMA Service Center:
Telephone: 1 (800) 262-2350 or 1 (312) 670-7827  *   Email: subscriptions@jamanetwork.com
Error Message ......
Other Articles |

METABOLIC STUDIES ON RACHITIC INFANTS

DONALD J. BARNES, M.D.; MILDRED KAUCHER, M.S.; BERTHA MUNKS, B.S.
Am J Dis Child. 1946;71(6):622-646. doi:10.1001/archpedi.1946.02020290045006.
Text Size: A A A
Published online

DURING the past fifteen years there has been a continuing conflict of data and opinions regarding the comparative effectiveness of vitamin D from ergosterol, the plant sterol activated by irradiation with ultraviolet rays and marketed under the name of viosterol, and the vitamin D preparations from animal sources such as tuna liver oil and cod liver oil. The latter are dependent chiefly on activated 7-dehydrocholesterol for their antirachitic effectiveness, the greater proportion of this probably being present in cod liver oil. Previous studies have chiefly employed one of two methods. Either they dealt with groups of healthy infants or with groups of rachitic infants who were given the various forms of vitamin D through the winter period and for whom consecutive roentgenograms were made and the diagnoses of each group compared with that of the other corresponding group, or serologic studies of calcium and phosphorus of similar healthy and rachitic

Topics

Sign in

Create a free personal account to sign up for alerts, share articles, and more.

Purchase Options

• Buy this article
• Subscribe to the journal

First Page Preview

View Large
First page PDF preview

Figures

Tables

References

Correspondence

CME
Meets CME requirements for:
Browse CME for all U.S. States
Accreditation Information
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
Note: You must get at least of the answers correct to pass this quiz.
You have not filled in all the answers to complete this quiz
The following questions were not answered:
Sorry, you have unsuccessfully completed this CME quiz with a score of
The following questions were not answered correctly:
Commitment to Change (optional):
Indicate what change(s) you will implement in your practice, if any, based on this CME course.
Your quiz results:
The filled radio buttons indicate your responses. The preferred responses are highlighted
For CME Course: A Proposed Model for Initial Assessment and Management of Acute Heart Failure Syndromes
Indicate what changes(s) you will implement in your practice, if any, based on this CME course.
Submit a Comment

Multimedia

Some tools below are only available to our subscribers or users with an online account.

Sign in

Create a free personal account to sign up for alerts, share articles, and more.

Purchase Options

• Buy this article
• Subscribe to the journal

Related Content

Customize your page view by dragging & repositioning the boxes below.

Jobs
brightcove.createExperiences();