AU - Cohen O, Norymberg K, Neumann E, Dekel H TI - COmplication-free duration and the risk of development of retinopathy in elderly diabetic patients PT - JOUR DP - 1998 TA - Archives of Internal Medicine pages = {641-644}, VI - 158 IP - 6 AID - 10.1001/archinte.158.6.641 [doi] 4100 - http://dx.doi.org/10.1001/archinte.158.6.641 SO - Archives of Internal Medicine March 23, 1998 158(6):641