@article{article2ddd3e35,
title   = {Serum vitamin b12 levels in parturients, in the intervillous space of the placenta and in full-term newborns and their interrelationships with folate levels},
author = {Giugliani, Elsa Regina Justo and Jorge, S M and Gonçalves, Arthur Lopes},
year = {1985},
doi = {10.1093/ajcn/41.2.330},
journal   = {American Journal of Clinical Nutrition}
}