title: Anaesthesia in mass tubectomy camp at high altitudes.
mesh_terms: D000328:Adult; D000531:Altitude; D000768:Anesthesia, General / Q000009:adverse effects; D005019:Ethyl Ethers; D005260:Female; D006801:Humans; D013246:Sterilization, Tubal
chemical_list: D005019:Ethyl Ethers