JAMA. 1932;99(16):1315-1320. doi:10.1001/jama.1932.02740680011003.
Text Size: A A A
Published online

The discovery of scientific facts of practical significance has not always led to their immediate practical extensive application but has awaited some simple modification of methods which could be quickly and easily performed by the majority of practitioners. The clinician has been aware of the limited value of the microscopic examination of the stained smear for acidfast bacilli, and yet the simplicity and speed of this method has almost restricted the examination for tubercle bacilli to its use by the physician. He has had to be content with this because guinea-pigs and culture mediums required facilities which were hardly justified for his daily routine. The fact that he usually obtained a single specimen, and that especially only in the advanced case could he be certain to find acid-fast bacilli by this method, could hardly concern him. He was aware that this method1 required as many as 100,000 acid-fast bacilli


Sign In to Access Full Content

Don't have Access?

Register and get free email Table of Contents alerts, saved searches, PowerPoint downloads, CME quizzes, and more

Subscribe for full-text access to content from 1998 forward and a host of useful features

Activate your current subscription (AMA members and current subscribers)

Purchase Online Access to this article for 24 hours

First Page Preview

View Large
First page PDF preview




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.
Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).


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

Sign In to Access Full Content

Related Content

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