title: Letter: Placebo response to white soft paraffin-propylene glycol.
mesh_terms: D006801:Humans; D010232:Paraffin / Q000494:pharmacology*; D010858:Pigmentation / Q000187:drug effects*; D010919:Placebos; D011409:Propylene Glycols / Q000494:pharmacology*; D012882:Skin Tests
chemical_list: D010919:Placebos; D011409:Propylene Glycols; D010232:Paraffin