title: Letter: Serum immune globulin levels in lambs under a week old.
mesh_terms: D000818:Animals; D000831:Animals, Newborn / Q000276:immunology*; D001724:Birth Weight; D005260:Female; D005313:Fetal Death; D007136:Immunoglobulins / Q000032:analysis*; D011247:Pregnancy; D012756:Sheep / Q000276:immunology*
chemical_list: D007136:Immunoglobulins