T. K. Alley

Efficacy of intramammary treatment in unbred and primigravid dairy heifers.

R. W. Adkinson, S. C. Nickerson, S. Nickerson, 1990, Journal of the American Veterinary Medical Association.

Prevalence of intramammary infection and teat canal colonization in unbred and primigravid dairy heifers.

S. C. Nickerson, S. Nickerson, P. Trinidad, 1990, Journal of dairy science.