Items where Author is "Welk, Alexander"
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Article
Ratzmann, Anja and Welk, Alexander and Hoppe, Stephanie and Fanghaenel, Jochen and Schwahn, Christian (2020) New insights in the reproducibility of visual and electronic tooth color assessment for dental practice. HEAD & FACE MEDICINE, 16 (1): 37. ISSN 1746-160X
Ratzmann, Anja and Schwahn, Christan and Treichel, Anja and Faltermeier, Andreas and Welk, Alexander (2018) Assessing the effect of multibracket appliance treatment on tooth color by using electronic measurement. HEAD & FACE MEDICINE, 14: 22. ISSN 1746-160X

