TY - BOOK AU - Olk,R.Joseph AU - Lee,Carol M. TI - Diabetic retinopathy : : practical management / SN - 0397511671 U1 - 617.7/3 20 PY - 1993/// CY - Philadelphia : PB - Lippincott, KW - Diabetic retinopathy KW - Diabetic Retinopathy KW - therapy N1 - Includes bibliographical references and index ER -