title: Comparative tubal occlusion: rigid and spring-loaded clips.
mesh_terms: D000818:Animals; D005187:Fallopian Tubes / Q000166:cytology / Q000601:surgery*; D005260:Female; D020706:Laparoscopes; D008722:Methods; D011247:Pregnancy; D013193:Stainless Steel; D013245:Sterilization, Reproductive; D013523:Surgical Equipment; D013552:Swine; D013635:Tantalum
chemical_list: D013193:Stainless Steel; D013635:Tantalum