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Marquardt's Phi Mask: Pitfalls of Relying on Fashion Models and the Golden Ratio to Describe a Beautiful Face | SpringerLink
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Ethnic variations of the phi mask. In: Sturm-O'Brien AK, Brissett AEA,... | Download Scientific Diagram
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Figure 6 from Does the Marquardt mask serve as a helpful guide for facial feminization surgery | Semantic Scholar
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