References
- Abe K., Moran P. A. P. Parental age of homosexuals. Brit. J. Psychiat. 1969; 115: 313
- Böök J. A. A genetic and neuro-psychiatric investigation of a North Swedish population. Acta Genet. (Basel). 1953; 4(1)133
- Collman R. D., Stoller A. A survey of mongoloid births in Victoria, Australia, 1942–1957. Amer. J. Publ. Health. 1962; 52: 813
- Essen-Möller E. Mating and fertility patterns in families with schizophrenia. Eugen. Quart. 1959; 6: 142
- Goodman N. Relation between maternal age at parturition and incidence of mental disorder in the offspring. Brit. J. prev. soc. Med. 1957; 11: 203
- Kallmann F. J. Twin sibships and study of male homosexuality. Amer. J. Hum. Genetics. 1952; 4: 136
- Kallmann F. J. Comparative twin study of genetic aspects of male homosexuality. J. nerv. ment. Dis. 1952; 115: 283
- Kenyon F. E. Studies in female homosexuality. Iv. Social and psychiatric aspects. Brit. J. Psychiat. 1968; 114: 1337
- Moran P. A. P. Maternal age and parental loss. Brit. J. Psychiat. 1968; 114: 207
- Moran P. A. P. Theoretical considerations in schizophrenia genetics. Genetic Factors in Schizophrenia, A. R. Kaplan. Thomas, Springfield 1971
- Moran P. A. P., Abe K. Parental loss in homosexuals. Brit. J. Psychiat. 1969; 115: 319
- Parsons P. A. Parental age and the offspring. Quart. Rev. Biol. 1964; 39: 258
- Shields J. Summary of the genetic evidence. J. psychiat. Res. 1968; 6.(Suppl. 1)95
- Slater E. The monogenic theory of schizophrenia. Acta Genet. (Basel). 1958; 8: 50