O L PETERSON. Show Affiliations »
Abstract
Keywords: ECONOMICS, MEDICAL; MEDICINE
Mesh: See more » Economics, MedicalHumansMedicineUnited States
Year: 1963 PMID: 13942786 DOI: 10.1038/scientificamerican0863-19
Source DB: PubMed Journal: Sci Am ISSN: 0036-8733 Impact factor: 2.142