"Studies on the physiology and biochemistry of germ cells. I. The effect of aging on respiration and glycolysis in bovine spermatozoa."; "Norman, Charles.", "Porterfield, I. D. (Ira Deward), 1920-", "Goldberg, Erwin."; "Cattle--Spermatozoa--Research."; "Norman, Charles.", "Goldberg, Erwin.", "Porterfield, I. D. (Ira Deward), 1920-"; "1960"; "Journal article reprint from: The Anatomical Record, v.137:no.3 (1960:July)."; ""; "P8893"; "pec"; "Cattle--Spermatozoa--Research."; "14256"; .