title: [Factory control of the quality of rigid membrane phonendoscopes].
mesh_terms: D001314:Auscultation / Q000295:instrumentation* / Q000592:standards; D019723:Endoscopes; D008567:Membranes, Artificial
chemical_list: D008567:Membranes, Artificial
vernacular_title: Zavodskoĭ kontrol' kachestva fonendoskopov s zhestkoĭ membranoĭ.