Report on the WHO/ISFT Task Force on Definition and Classification of Cardiomyopathies - Brandenburg, RO; Chazov, E; Falase, AO; Grosgogeat, Y; Kavai, C; Loogen, F; Martin, JV; Orinius, E; Goodwin, JE; Olsen, EGJ; Oakley, CM; Pisa, Z (Int. Report am HeartAssoc, 1981)