Letter: Maternal hair-roots in prediction of low-birth-weight risk.
D001724:Birth Weight; D005260:Female; D006166:Guatemala; D006197:Hair / Q000473:pathology; D006801:Humans; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D009748:Nutrition Disorders; D011247:Pregnancy; D011248:Pregnancy Complications; D011446:Prospective Studies; D012306:Risk