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Evaluation of a contract breeding management program in selected Ohio dairy herds with event-time analysis: II. Parametric frailty models
Cheyney Meadows, Päivi J. Rajala-Schultz, Grant S. Frazer, Gary Phillips, Richard W. Meiring, Kent H. HobletVolume:
80
Year:
2007
Language:
english
DOI:
10.1016/j.prevetmed.2006.12.006
File:
PDF, 370 KB
english, 2007