1.
Randomised trial of sidecar crib use on breastfeeding duration (NECOT)
by Ball, Helen L
Archives of disease in childhood, 2011-07, Vol.96 (7), p.630-634

2.
Weight gain and sudden infant death syndrome: changes in weight z scores may identify infants at increased risk
by Blair, Peter S
Archives of disease in childhood, 2000-06, Vol.82 (6), p.462-469
