Contributions to the Etiology of the Pneumosinus Dilatans

Reka Ando & Gheorghe Mühlfay
Introduction: The forming mechanisms of the pneumosinus dilatans have been investigated for a long time, but are still not totally clear. Besides the genetic and hormonal factors, an entire explanation of the pressure variation of the sinuses is still missing. A contradiction is found in the case of[for full text, please go to the a.m. URL]