@misc{indiciae0c0a7794c12d, title = {Letter: Mastitis control.}, author = {J Nicol and A P Berry and P J Crossman and R Brain}, year = {1974}, doi = {10.1136/vr.95.23.539}, url = {https://pubmed.ncbi.nlm.nih.gov/4450425/}, note = {Source identifier: 4450425} }