title: Transtympanic iontophoresis of N-acetyl-cysteine.
mesh_terms: D000111:Acetylcysteine / Q000378:metabolism*; D000818:Animals; D006168:Guinea Pigs; D007478:Iontophoresis; D013997:Time Factors; D014432:Tympanic Membrane / Q000378:metabolism*
chemical_list: D000111:Acetylcysteine