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ISSN:0378-1135|80|3|255-265

Elsevier‎(2001)‎

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By Blom H J M   Baumans V   Van Vorstenbosch C J A H V   Van Zutphen L F M   Beynen A C   in Animal Welfare

ISSN:0962-7286|2|1|81-87

Universities Federation for Animal Welfare‎(1993)‎

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