Rations for the Study of the Relative Nutritive Value of Fats and Oils Geyer, R. P. ; Boutwell, R. K. ; Elvehjem, C. A. ; Hart, E. B. Abstract Publication: Science Pub Date: December 1943 DOI: 10.1126/science.98.2553.499 Bibcode: 1943Sci....98..499G