1. Management of the umbilical cord with crystal violet solution;Bale;CMA Journal,1981
2. The umbilical cord: To treat or not to treat?;Barr;Midwives Chronicle and Nursing Notes,1984
3. Cord care: Too much or too little;Bourke;Australian Journal of Advanced Nursing,1990
4. A power primer;Cohen;Psychological Bulletin,1992
5. The Cord Rating Scale;Cormier,1997