Absorption through oral mucous membranes.
D000042:Absorption; D000818:Animals; D002247:Carbon Isotopes; D002610:Cheek; D006224:Cricetinae; D004121:Dimethyl Sulfoxide / Q000494:pharmacology*; D000431:Ethanol; D009061:Mouth Mucosa / Q000187:drug effects*; D009374:Neoplasms, Experimental; D004124:p-Dimethylaminoazobenzene / Q000494:pharmacology*
D002247:Carbon Isotopes; D000431:Ethanol; D004124:p-Dimethylaminoazobenzene; D004121:Dimethyl Sulfoxide