title: Bacteriologic examination of guinea pig mammary gland: preliminary report.
mesh_terms: D000818:Animals; D005260:Female; D006168:Guinea Pigs; D007774:Lactation; D008321:Mammary Glands, Animal / Q000382:microbiology*; D011247:Pregnancy; D013291:Streptococcus / Q000302:isolation & purification*