1. Klinik der Plazenta: Plazentainsuffizienz;Kubli,1981
2. Fetal malnutrition: its incidence, causes and effects;Scott;Am J Obstet Gynecol,1966
3. Growth and maturation of the fetus and its relationship to perinatal mortality;Gruenwald,1969
4. Die menschliche Plazenta: Klinik der Frauenheilkunde und Geburtshilfe 3;Hörmann,1975
5. Effects of maternal nutrition on the human fetus;Naeye;Pediatrics,1973