(1958). Excerpta medica. Section 20: Gerontology and geriatrics. Amsterdam: Excerpta Medica Foundation.
Chicago Style CitationExcerpta Medica. Section 20: Gerontology and Geriatrics. Amsterdam: Excerpta Medica Foundation, 1958.
MLA CitationExcerpta Medica. Section 20: Gerontology and Geriatrics. Amsterdam: Excerpta Medica Foundation, 1958.
Warning: These citations may not always be 100% accurate.