One essential ingredient in breast feeding, which keeps babies happy and healthy, just can't be duplicated in even the most sophisticated of breast milk substitutes. (articles.chicagotribune.com)
It contains both nutritional and non-nutritional factors that have not been duplicated in commercial preparations. (childbirthsolutions.com)
The NEHRP agencies work in partnership to perform a national service that can not be duplicated by others, with each agency fulfilling its unique role without overlapping with the roles of its partners. (seismosoc.org)