Citation: S. Lupien et al., Regiospecific cytochrome P450 limonene hydroxylases from mint (Mentha) species: cDNA isolation, characterization, and functional expression of (-)-4S-limonene-3-hydroxylase and (-)-4S-limonene-6-hydroxylase, ARCH BIOCH, 368(1), 1999, pp. 181-192