Reference
Wu BTF, Dyer RA, King DJ, Richardson KJ, Innis SM (2012) Early Second Trimester Maternal Plasma Choline and Betaine Are Related to Measures of Early Cognitive Development in Term Infants.
PLoS ONE 7(8): e43448. doi:10.1371/journal.pone.0043448. Copyright: ©2012 Wu et al.