An Aspen Publication 805,914 WHO'S Who's who in health care 1981 / [Elliot A. Sainer ed. ; ed. advisory board Susan S. Addiss et al.]. - 2 ed. - Rockville : Aspen Systems Corporation, 1981. - XVII 612 S. ; 28 cm. - (An Aspen Publication) Indeks ISSN 0149-5445