Nortje, Christoffel2016-06-022016-06-022015Nortje, C.J. (2015). Maxillo-facial radiology case 136. South African Dental Journal, 70(9): 417 - 4170011-8516http://hdl.handle.net/10566/2258Clinical picture and skull radiographs of a patient having a developmental field defect, probably occurring between 21 and 70 days of uterine life, rather than an individual syndrome. As such the etiology and pathogenesis are probably heterogeneous. What is your diagnosis?enMaxillo-facialRadiologyFrontonasal malformationArticle