By Hensley D.   Withers N.   Spira J.   in Journal of Psychosomatic Research

ISSN:0022-3999|55|2|121-122

Elsevier‎(2003)‎

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By Wickström K.   Bruse C.   Sjösten A.   Spira J.   Edelstam G.   in Human Reproduction

ISSN:1460-2350|27|3|695-701

Oxford University Press‎(2012)‎

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