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Bruynzeel DP, van Ketel WG, von Blomberg-van der Flier M, Scheper RJ.Bruynzeel DP, et al.J Am Acad Dermatol. 1983 Mar;8(3):392-7. doi: 10.1016/s0190-9622(83)70044-7.J Am Acad Dermatol. 1983.PMID: 6833539