A statistical survey of the composition of gallstones in eight countries.
D000367:Age Factors; D001031:Apatites / Q000032:analysis; D001315:Australia; D002119:Calcium Carbonate / Q000032:analysis; D002130:Calcium Phosphates / Q000032:analysis; D002769:Cholelithiasis / Q000378:metabolism*; D002784:Cholesterol / Q000032:analysis
D001031:Apatites; D002130:Calcium Phosphates; D002784:Cholesterol; D002119:Calcium Carbonate