Klingenstein, Annemarie ORCID: 0000-0001-8767-7660; Samel, Christina; Hintschich, Christoph (2022): Potential Delay of Diagnosing Infraorbital Skin Tumors Due to Coverage by Face Masks During the COVID-19 Pandemic: An Observational Study. Clinical Ophthalmology, 16: 36304990. pp. 3581-3587. ISSN 1177-5483