title: An electron microscope study of the human prenatal thymus.
authors.forename: I
authors.initials: I
authors.lastname: Nenova
mesh_terms: D004622:Embryo, Mammalian / Q000033:anatomy & histology*; D005314:Embryonic and Fetal Development; D005865:Gestational Age; D006801:Humans; D008854:Microscopy, Electron; D013950:Thymus Gland / Q000166:cytology / Q000196:embryology* / Q000648:ultrastructure