James A. Harp

Effects of preventing periparturient hypocalcemia in cows by parathyroid hormone administration on hematology, conglutinin, immunoglobulin, and shedding of Staphylococcus aureus in milk.

J. Goff, M. Kehrli, J. Harp, 1990, Journal of dairy science.

Immunity in the mammary gland.

M. Kehrli, J. Harp, Marcus E. Kehrli, 2001, The Veterinary clinics of North America. Food animal practice.