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American Journal of Psychiatry

  • Volume 91
  • Number 2
  • September 1934

ARTICLE

Publication date: 01 September 1934

Pages247–286

The main object of this communication is to report a study of 142 pairs of twins with so-called schizophrenic psychoses in one or both of the twins in each pair. These twins are classified as follows: monozygotic 41 pairs; same-sex dizygotic 53 pairs; ...

https://doi.org/10.1176/ajp.91.2.247

Publication date: 01 September 1934

Pages303–330

I. Marihuana is the Latin-American name for a cigarette preparation of the hemp plant. The active principle is cannabis sativa: the drug has various synonyms—hasheesh, ganja, reefers, Indian hemp, etc. It has been used for centuries in the Orient and ...

https://doi.org/10.1176/ajp.91.2.303

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