G MAKSIM. Show Affiliations »
Abstract
Entities: Species
Keywords: ATHLETICS
Mesh: See more » ChildHumansMotivationSports
Year: 1958 PMID: 13587227 DOI: 10.1001/jama.1958.03000110005002
Source DB: PubMed Journal: J Am Med Assoc ISSN: 0002-9955