Ponec-Waelsch, M. (1977). Chemical and biochemical aspects of topical psoriasis treatment. s.n..
Chicago-referens (17:e uppl.)Ponec-Waelsch, Maria. Chemical and Biochemical Aspects of Topical Psoriasis Treatment. [S.l.: s.n., 1977.
MLA-referens (8:e uppl.)Ponec-Waelsch, Maria. Chemical and Biochemical Aspects of Topical Psoriasis Treatment. s.n., 1977.
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