title: Pregnancy following sterilisation: two cases fail.
mesh_terms: D000328:Adult; D003271:Contraceptive Agents, Female; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008318:Malpractice / Q000331:legislation & jurisprudence*; D011247:Pregnancy; D013245:Sterilization, Reproductive; D006113:United Kingdom
chemical_list: D003271:Contraceptive Agents, Female