Vates JR, Hetrick JL, Lavin KL, Sharma GK, Wagner RL, Johnson JT.
From the Department of Otolaryngology (j.r.v., j.l.r., k.l.l., r.l.w., j.t.j.), University of Pittsburgh, Pittsburgh, Pennsylvania; and Carnegie Mellon University (g.k.s.), Pittsburgh, Pennsylvania, U.S.A. |