title: [Ultrastructural study on the egg-shell of Enterobius vermicularis].
authors: S H
authors: SH
authors: Dai
authors: Y H
authors: YH
authors: Cen
mesh_terms: D000818:Animals; D004757:Enterobius / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D010063:Ovum / Q000648:ultrastructure*