L B Callan. Show Affiliations »
Abstract
Mesh: See more » CaliforniaCommunity Health ServicesEthnic GroupsHealth EducationHealth Occupations/educationHealth Workforce/statistics & numerical dataInterpersonal RelationsNeoplasms/prevention & controlVoluntary Health AgenciesVolunteers
Year: 1969 PMID: 4976811 PMCID: PMC2031539
Source DB: PubMed Journal: Public Health Rep ISSN: 0094-6214 Impact factor: 2.792