In some cases there may be no unique facial features present or obvious. Middle interhemispheric variant: when the brain fuses in the middle. [fdna.health]

[…] angiographiques de l'holoprosencéphalie alobaire Angiographische Merkmale der alobären Holoprosencephalie Neuroradiology volume 6, pages 270–276 (1974)Cite this article 26 Accesses 10 Citations Metrics details Summary The purpose of this report is to present [link.springer.com]

Holoprosencephaly and agnathia spectrum: Presentation of two new patients and review of the literature. Am. J. Med. Genet. C Semin. Med. Genet., 154C(1):15869, 2010. [ Links ] Lacbawan, F.; Solomon, B. [scielo.cl]

Part C, Seminars in medical genetics 2010 The wide variation in cerebral and facial phenotypes and the recognized etiologic heterogeneity of holoprosencephaly (HPE) contribute to the observed inter‐study heterogeneity, and non‐craniofacial anomalies, [semanticscholar.org]

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