Thumbnail
Access Restriction
Open

Source PubMed Central
Content type Text
File Format PDF
Language English
Difficulty Level Medium
Subject Domain (in DDC) Technology ♦ Medicine & health
ISSN 00071447
Age Range above 22 year
Educational Use Research
Interactivity Type Expositive
Education Level UG and PG
Learning Resource Type Article
Publisher Date 1979-09-15
Journal British Medical Journal
Volume Number 2
Issue Number 6191
Starting Page 656


Source: PubMed Central