Carmel T Collins, Philip Ryan, Caroline A Crowther, Andrew J McPhee, Susan Paterson, Janet E Hiller et al
Collins C T, Ryan P, Crowther C A, McPhee A J, Paterson S, Hiller J E et al.
Effect of bottles, cups, and dummies on breast feeding in preterm infants: a randomised controlled trial
BMJ 2004; :bmj;bmj.38131.675914.55v1
doi:10.1136/bmj.38131.675914.55