By Hjelm K.   Bard K.   Nyberg P.   Apelqvist J.   in International Journal of Nursing Studies

ISSN:0020-7489|40|6|627-643

Elsevier‎(2003)‎

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By Middlebrook Edwin E.   Mansager Bard K.   Borges Carlos F.   in Military Operations Research

ISSN:2163-2758|5|1|17-27

Military Operations Research Society‎(2000)‎

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