By Zarrouk A.   Engeland I.V.   Sulon J.   Beckers J.F.   in Theriogenology

ISSN:0093-691X|52|6|1095-1104

Elsevier‎(1999)‎

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By Engeland I.V.   Waldeland H.   Kindahl H.   Ropstad E.   Andresen .   in Veterinary Parasitology

ISSN:0304-4017|67|1|61-74

Elsevier‎(1996)‎

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