[Inventions in otorhinolaryngology (a survey of patent information 1974-1980)].
D005602:France; D010036:Otolaryngology / Q000295:instrumentation* / Q000379:methods; D010330:Patents as Topic; D014586:USSR; D014481:United States
Izobreteniia v otorinolaringologii (obzor patentnoĭ informatsii za 1974-1980 gg.).