title: Does tubal patency depend on surfactant?
mesh_terms: D005187:Fallopian Tubes / Q000187:drug effects / Q000502:physiology*; D005260:Female; D006801:Humans; D007047:Hysterosalpingography; D013501:Surface-Active Agents / Q000494:pharmacology*
chemical_list: D013501:Surface-Active Agents