doi.org/10.1097/MLG.0b013e318159c68e, hdl.handle.net/1765/29044
The Laryngoscope
Erasmus MC: University Medical Center Rotterdam

Borgstein, J., Bruce, . iain ., & Gerretsma, N. (2008). In reference to the erasmus atelectasis classification: Proposal of a new classification for atelectasis of the middle ear in children. The Laryngoscope, 118(2), 380–381. doi:10.1097/MLG.0b013e318159c68e