Klein, P.S., Raziel, P., Brish, M. & Birenbaum, E. (1987)
Cognitive performance of 3-year-olds born at very low birth weight. Journal of Psychosomatic Obstetrics and Gynecology, 7, 117-129
Klein, P.S. (1982)
The relationship between maternal visiting patterns and the development of premature infants. Journal of Psychosomatic Obstetrics and Gynecology, 1 (3/4), 124-128