Another option for gallstone [corrected] removal.
D002769:Cholelithiasis / Q000188:drug therapy*; D004987:Ethers / Q000008:administration & dosage*; D006801:Humans; D007260:Infusion Pumps; D008738:Methyl Ethers; D012997:Solvents / Q000008:administration & dosage*
D004987:Ethers; D008738:Methyl Ethers; D012997:Solvents; C043243:methyl tert-butyl ether