title: Letter: Mixed-lymphocyte culture reactivity of neonatal lymphocytes.
mesh_terms: D000328:Adult; D005260:Female; D005312:Fetal Blood; D006801:Humans; D007231:Infant, Newborn; D007959:Lymphocyte Culture Test, Mixed; D008214:Lymphocytes / Q000276:immunology*; D008431:Maternal-Fetal Exchange; D008938:Mitosis; D011247:Pregnancy