Hjorth, N. (1961). Eczematous allergy to balsams: Allied perfumes and flavouring agents, with special reference to balsam of Peru. Munksgaard.
Chicago-viite (17. p.)Hjorth, Niels. Eczematous Allergy to Balsams: Allied Perfumes and Flavouring Agents, with Special Reference to Balsam of Peru. Copenhagen: Munksgaard, 1961.
MLA-viite (8. p.)Hjorth, Niels. Eczematous Allergy to Balsams: Allied Perfumes and Flavouring Agents, with Special Reference to Balsam of Peru. Munksgaard, 1961.
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