1. Preparation for breastfeeding: a one‐year fol‐lowup of 34 nursing mothers;Whitley;JOGN Nurs,1978
2. Effective help for the nursing mother;Nichols;JOGN Nurs,1978
3. Nursing Your Baby;Pryor,1973
4. You Can Breastfeed Your Baby … Even in Special Situations;Brewster,1979