Harmenberg J, Oberg B, Spruance S. "Prevention of ulcerative lesions by episodic treatment of recurrent herpes labialis: A literature review". Acta Dermato-Venereologica. 90 (2). March 2010: 122–30. doi:10.2340/00015555-0806. PMID20169294.
Harmenberg J, Oberg B, Spruance S. "Prevention of ulcerative lesions by episodic treatment of recurrent herpes labialis: A literature review". Acta Dermato-Venereologica. 90 (2). March 2010: 122–30. doi:10.2340/00015555-0806. PMID20169294.