Olk, R. Joseph. Diabetic retinopathy : practical management / by R. Joseph Olk and Carol M. Lee. - Philadelphia : J. B. Lippincott, 1993. - 191 p. : ill. ; 26 cm. ISBN: 0397511671 LCCN: 92-048876 Subjects--Topical Terms: Diabetic Retinopathy--therapy. National Library of Medicine Call No.: WK835 / .O49d 1993 9HUKM