TY - RPRT TI - Methylmalonic acid excretion studies. AU - I Chanarin AU - J M England AU - C Mollin AU - J Perry PY - 1973 DO - 10.1111/j.1365-2141.1973.tb01714.x UR - https://pubmed.ncbi.nlm.nih.gov/4209262/ ID - 4209262 ER -