S. M. Ludington-Hoe, G. C. Anderson, S. Simpson, A. Hol- lingsead, L. A. Argote and H. Rey. Birth-related fatigue in 34-36 week preterm neonates: Rapid recovery with very early Kan- garoo (skin-to-skin) care. Journal of Obstetric, Gynecologic, and Neonatal Nursing, 1999, 28(1): 94-103.