Molecular Vision 3 : 1, 1997 <http://www.emory.edu/molvis/v3/small>
Received 6 Sep 1996 | ... Grade 1 consists of only fine drusen in the central maula (Figure 1a); grade 2 lesions exhibit confluent drusen and/or disciform scar; grade 3 lesion...
http://www.molvis.org/molvis/v3/a1/