TY - RPRT TI - Cobalamin and folate: recent developments. AU - I Chanarin AU - R Deacon AU - M Lumb AU - J Perry PY - 1992 DO - 10.1136/jcp.45.4.277 UR - https://pubmed.ncbi.nlm.nih.gov/1577963/ ID - 1577963 ER -