Affiliations 

  • 1 Department of Medical Ecology, Institute for Medical Research, Kuala Lumpur, Malaysia
Science, 1970 Aug 21;169(3947):788-9.
PMID: 17820308 DOI: 10.1126/science.169.3947.788

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.