Analysis of velopharyngeal morphology in operated cleft palate patients with levator veli palatini retropositioning according to Sommerlad
Lu Yong, Shi Bing, Wang Zhiyong, Xu Mingyao.
West China Journal of Stomatology . 2013, (5): 472 -475 .  DOI: 10.7518/hxkq.2013.05.007