Lee, S.-C. and Levine, L. (1975). „Prostaglandin metabolism. II. Identification of two 15-hydroxyprostaglandin dehydrogenase types”. J. Biol. Chem.250: 548-552. PMID234431.
Lee, S.-C., Pong, S.-S., Katzen, D., Wu, K.-Y. and Levine, L. (1975). „Distribution of prostaglandin E 9-ketoreductase and types I and II 15-hydroxyprostaglandin dehydrogenase in swine kidney medulla and cortex”. Biochemistry14: 142-145. PMID803247.