By Jolly RD   Gibson AJ   Healy PJ   Slack PM   Birtles MJ   in New Zealand Veterinary Journal

ISSN:1176-0710|40|3|107-111

Taylor & Francis Ltd‎(1992)‎

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By Asthana S.   Gibson A.J.   Parsons E.M.   in Health and Place

ISSN:1353-8292|5|4|271-278

Elsevier‎(1999)‎

Access to resources Favorite 1.8488934