TY  - GEN
AU  - Kirstein,M D
TI  - Life expectancy and diabetic retinopathy
SN  - 0003-0244
PY  - 1989///0921
KW  - Diabetic Retinopathy
KW  - etiology
KW  - Humans
KW  - Life Expectancy
N1  - Publication Type: Comment; Letter
ER  -