Diane,

A related article to the ones you listed on the effects of discharge packs
on breastfeeding is this one:

Hill PD, Humenick SS, Brennan ML, Woolley D. Does early supplementation
affect long'term breastfeeding?  Clinical Pediatrics 1997;36(6):345-350.

"Early introduction of supplemental bottles of artificial milks is
associated with a decrease in the amount of human milk the infant receives
as well as with early weaning."

Anne Altshuler, RN, MS, IBCLC and LLL leader in Madison, WI
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