1. Environmental factors affecting human development, before and after birth;Knobloch;Pediatrics,1960
2. The possible relationship of prenatal environment to schizophrenia;Sontag,1960
3. Health and the education of socially disadvantaged children;Birch;Devl. Med. & Child Neur.,1968
4. Prenatal Environment;Ferreira,1969
5. Birth and Brain Damage;Courville,1971