Identification and perturbation of mutant human fibroblasts based on measurements of methylmalonic acid and total homocysteine in the culture media.
Kolhouse JF, Stabler SP, Allen RH. Identification and perturbation of mutant human fibroblasts based on measurements of methylmalonic acid and total homocysteine in the culture media. Arch Biochem Biophys. 1993 Jun; 303(2):355-60.