Search Results       Your search for [subject]Marathon running -- Physiological effect -- Congresses returned 1 record.           The marathon : physiological, medical, epidemiological, and psychological studies Q11 .N5 197. New York: New York Academy of Sciences, 1977. Subject: Heart -- Congresses; Marathon running -- Physiological effect -- Congresses; Physical fitness -- Congresses.          Add to Book Cart Relevance: 33.64%