Biosynthesis of <scp>l</scp>-Ascorbic Acid and Conversion of Carbons 1 and 2 of <scp>l</scp>-Ascorbic Acid to Oxalic Acid Occurs within Individual Calcium Oxalate Crystal IdioblastsTodd A. Kostman, Vincent R. Franceschi, Frank A. Loewus et al.|PLANT PHYSIOLOGY|2001Cited by 143