title: Sputum elasticity: a frog in the throat?
mesh_terms: D000818:Animals; D001001:Anura; D004548:Elasticity; D005100:Expectorants / Q000494:pharmacology*; D006801:Humans; D066298:In Vitro Techniques; D013183:Sputum / Q000187:drug effects*
chemical_list: D005100:Expectorants