title: B lymphocyte development in fetal liver. II. Frequencies of precursor B cells during gestation.
mesh_terms: D000818:Animals; D000921:Antibody-Producing Cells / Q000276:immunology; D001402:B-Lymphocytes / Q000276:immunology*; D002452:Cell Count; D002454:Cell Differentiation; D004306:Dose-Response Relationship, Immunologic; D005260:Female; D005333:Fetus / Q000276:immunology*; D007075:Immunoglobulin M / Q000096:biosynthesis; D008070:Lipopolysaccharides / Q000494:pharmacology; D008099:Liver / Q000276:immunology*; D008297:Male; D051379:Mice; D008810:Mice, Inbred C57BL; D008811:Mice, Inbred DBA; D011247:Pregnancy; D051381:Rats; D011917:Rats, Inbred Lew; D012475:Salmonella / Q000276:immunology; D013950:Thymus Gland / Q000276:immunology; D013997:Time Factors
chemical_list: D007075:Immunoglobulin M; D008070:Lipopolysaccharides