NINN-PEDERSEN KEN 313.225 Cataract patients in a defined Swedish population 1986-1990 : prevention, diagnosis, and treatment / Ken Ninn-Pedersen ; [Department of Ophthalmology Lund University Hospital, Sweden]. - Copenhagen : Scriptor, 1997. - 23 s. : wykr. ; 30 cm. - (Acta Ophthalmologica Scandinavica, ISSN 1395-3931 ; vol. 75, suppl. 221) ISBN 87-7264-054-5