title: The incidence of mastitis organisms in relation to advancement of lactation.
mesh_terms: D000367:Age Factors; D000818:Animals; D002417:Cattle; D003352:Corynebacterium / Q000302:isolation & purification; D005260:Female; D007774:Lactation; D008414:Mastitis, Bovine / Q000382:microbiology*; D011247:Pregnancy; D013210:Staphylococcus / Q000302:isolation & purification; D013291:Streptococcus / Q000302:isolation & purification