545,560 MCDONALD JAMES L. jr. [red.] Management of stress in the dental practitioner / Arden G. Christen and James L. McDonald jr., guest ed. - Philadelphia [etc.] : W.B. Saunders Company, 1986. - V, [3], 146 s. : il. ; 23 cm (The Dental Clinics of North America, ISSN 0011-8532 ; vol. 30, nr 4, suppl.)