1. Diagnostic and Statistical Manual of Mental Disorders (DSM-III);American Psychiatric Association,1980
2. The myth of the nuclear family;Azubike;Amer. Psychol.,1979
3. Social class and psychiatric disturbance among women in an urban population;Brown;Sociology,1975
4. A study of mother's health;Dodge;New Zealand Med. J.,1980
5. Smoking during pregnancy;Fergusson;New Zealand Med. J.,1979