Plasminogen activator inhibitor type 1 gene is located at region q21.3-q22 of chromosome 7 and genetically linked with cystic fibrosis. - Klinger,K.W.; Winqvist,R.; Riccio,A.; Andreasen,P.A.; Sartorio,R.; Nielsen,L.S.; Stuart,N.; Stanislovitis,P.; Watkins,P.; Douglas,R.; Grzeschik,K.H.; Alitalo,K.; et al. (Proc Natl Acad Sci USA, 1987)