1. A study of infant mortality from linked records: By birth weight, period of gestation, and other variables. Washington, D.C.: U.S. Department of HEW, Vital and Health Statistics System, Series 12, 1972.
2. A study of infant mortality from linked records: comparison on neonatal mortality from two cohort studies, Washington, D.C.: U.S. Department of HEW, Vital and Health Statistics System, Series 20, 1972.
3. Abramowicz, M. & Kass, E.H. Pathogenesis and prognosis of prematurity.New England Journal of Medicine, 1966, 878?885.
4. Abrams, H.S. Psychological responses to illness and hospitalization.Psychosomatics 1969, 10, 218.
5. Achte, K. Present status and evaluation of suicide prevention and crisis intervention services in Europe.Mental Health and Society 1976,3(3?4), 169?174.