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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 1940-10-12
Journal British Medical Journal
Volume Number 2
Issue Number 4162
Starting Page 491


Source: PubMed Central