1. Merriam Webster's Collegiate Dictionary, 10th ed. Springfield, MA: Merriam-Webster, Inc., 1999.
2. Demonstrating care;Libster,2001
3. Tactile/kinesthetic stimulation effects on preterm neonates;Field;Pediatrics,1986
4. National Center for Alternative and Complementary Therapies (NCCAM). NCCAM plays key role in integrative medicine task force. Complementary and Alternative Medicine at the NIH 2002;9(2):1–2.
5. Woman as healer;Achterberg,1990