title: Ontogeny of T and B lymphocytes in the thymus and spleen of guinea pigs.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D001402:B-Lymphocytes / Q000276:immunology*; D002454:Cell Differentiation; D005260:Female; D006168:Guinea Pigs; D011247:Pregnancy; D012397:Rosette Formation; D013154:Spleen / Q000166:cytology*; D013601:T-Lymphocytes / Q000166:cytology / Q000276:immunology*; D013950:Thymus Gland / Q000166:cytology*