TY - EJOUR T1 - A Rapid Field Test for the Determination of Colostral Ingestion by Calves, Based on γ-Glutamyltransferase AU - Bogin, E. AU - Avidar, Y. AU - Shenkler, S. AU - Israeli, Bat-Ami AU - Spiegel, N. AU - Cohen, R. PY - 1993 LA - und PB - Kooperation de Gruyter JO - Clinical Chemistry and Laboratory Medicine DO - 10.1515/cclm.1993.31.10.695 ER -