Rose et al. (2002) The­ra­peu­tic effi­ca­cy of an oral appli­ance in the trea­tement of obs­truc­ti­ve sleep apnea: a 2‑year follow-up.

Am J of orth­odont and den­to­fac ortho­pe­dics, 121 (3) 273–279, Dep of Orth­odont, Univ Frei­burg, Germany