The next day, the doctors found that the glyoxylic acid mice carried "elongated" crystals of a chemical compound called calcium oxalate monohydrate in their urine, while the petroleum-jelly group ...

3. The data indicate that only two compounds of oxalic acid, potassium binoxalate and calcium oxalate monohydrate, occur in the Rumex leaves examined. The percentages in which these salts occur are ...