[A curious concretion].
D002137:Calculi; D002769:Cholelithiasis / Q000628:therapy*; D006801:Humans; D010118:Oxytetracycline / Q000378:metabolism*
D010118:Oxytetracycline
CALCULI; CHOLELITHIASIS/therapy; OXYTETRACYCLINE/metabolism
Eeen merkwaardig concrement.