605,916 KNUTSSON ANDERS Shift work and coronary heart disease /by Anders Knut sson ; from the National Institute for Psychosocial Factors and Health Karoliska Institutet. - Stockholm : [The Almqvist and Wiksell Periodical Co.], 1989. -36, [20] s. : wykr. ; 23 cm (Scandinavian Journal of Social Medicine, ISSN 0301 7311 ; suppl. 44)