Citation

No Author(s) Listed. Br. Med. J. BMJ 1962; 2(5309): 908.

Copyright

(Copyright © 1962, BMJ Publishing Group)

DOI

unavailable

PMID

unavailable

Abstract

unavailable]

Language: en

Full text available from PubMed Central:

http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1926083