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21. Lawless M. Overview of VPSP and PSI benefits (top). Comparative benefits of industrial vs. in-house VPSP and PSI (bottom). Department of Otolaryngology - Head and Neck Surgery, Columbus. OH USA: The Ohio State University Comprehensive Cancer Center; 2022 February 2. Unpublished.

22. Herster R. In-house 3D-printed Drill Guide [digital]. Columbus (OH): Department of Otolaryngology - Head and Neck Surgery. Columbus, OH USA: The Ohio State University Comprehensive Cancer Center; 2022, February 2. 1 Image: color, 275 × 175. Unpublished.

23. Herster R. In-house 3D-printed Drill Guide (2) [digital]. Columbus (OH): Department of Otolaryngology - Head and Neck Surgery. Columbus, OH USA: The Ohio State University Comprehensive Cancer Center; 2022, February 2. 1 Image: color, 270 × 251. Unpublished.

24. Herster R. In-house 3D-printed Mandible Model with Tumor (yellow) [digital]. Columbus (OH): Department of Otolaryngology - Head and Neck Surgery. Columbus, OH USA: The Ohio State University Comprehensive Cancer Center; 2022, February 2. 1 Image: color, 282 × 242. Unpublished.

25. Herster R. In-House 3D-printed Mandible and Maxilla Models [digital]. Columbus (OH): Department of Otolaryngology - Head and Neck Surgery. Columbus, OH USA: The Ohio State University Comprehensive Cancer Center; 2022, February 2. 1 Image: color, 272 × 134. Unpublished.

26. Herster R. In-house 3D-printed Tracheostomy plug (Left) and Laryngectomy Tube (Right) [digital]. Columbus (OH): Department of Otolaryngology - Head and Neck Surgery. Columbus, OH USA: The Ohio State University Comprehensive Cancer Center; 2022, February 2. 1 Image: color, 250 × 207. Unpublished.

27. Herster R. In-house 3D-printed Wax nose for prosthetic design [digital]. Columbus (OH): Department of Otolaryngology - Head and Neck Surgery. Columbus, OH USA: The Ohio State University Comprehensive Cancer Center; 2022, February 2. 1 Image: color, 272 × 256. Unpublished.

28. Herster R. In-house 3D-printed Auricular Hematoma simulator [digital]. Columbus (OH): Department of Otolaryngology - Head and Neck Surgery. Columbus, OH USA: The Ohio State University Comprehensive Cancer Center; 2022, February 2. 1 Image: color, 215 × 271. Unpublished.