548,359 FORSÉN ALF Life stress, personality and breast cancer : dissertation / Alf Forsen ; Medical Faculty of the University of Helsinki. - Helsinki : Foundation for Psychiatric Research in Finland, 1989. - VIII, 142 s. : wykr. ; 25 cm (Monographis of Psychiatria Fennica, ISSN 0355-7707 ; nr 16 ISBN 951-9239-55-3