Background : in vivo case reports and recent in vitro studies have indicated that aerosol therapy using facemasks can result in drug deposition on the face and in the eyes and that facemask design may affect drug delivery 研究背景：体内报道和体外研究证明面罩雾化治疗能够造成药物在面部和眼部的沉积，并且面罩装置可能影响药物输送。
