[A cataract classification and grading system].
Sasaki K, Shibata T, Obazawa H, Fujiwara T, Kogure F, Obara Y, Itoi M, Kato K, Akiyama K, Okuyama S.
Sasaki K, et al. Among authors: kogure f.
Nippon Ganka Gakkai Zasshi. 1989 Jul;93(7):796-800.
Nippon Ganka Gakkai Zasshi. 1989.
PMID: 2610158
Japanese.