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Smith DE. 
“The Psychotomimetic Amphetamines with Special Reference to DOM (STP) Toxicity”. 
Journal of Psychedelic Drugs. 1969;2(2):3741.
The "psychotomimetic amphetamines" refer to a group of psychoactive drugs which include MDA, MMDA, and DOM. This latter compound, 2,5-dimethoxy- 4-methyl-amphetamine (see figure l), gained transient popularity and a national reputation in 1967 when it was introduced into the Haight-Ashbury district of San Francisco under the street name of STP.

When initially introduced in large quantity in June of 1967, neither the population at risk nor the scientific community was aware of the exact nature of the drug.2 However, the Haight-Ashbury Community at that time contained a large, mobile group of youngsters between the ages of 16 and 25 whose motto was "to try everything one time." Thousands of STP tablets 3 (whose true identity was unknown to the user) were consumed in a relatively short period. As a consequence a large number of acute and chronic toxic STP reactions were seen both at the Haight-Ashbury Free Medical Clinic and at San Francisco General Hospital. Information defining the dangers of STP were rapidly distributed by the Haight- Ashbury Clinic and by the mass underground media and as a result the number of STP ingestions and toxic reactions were reduced greatly. However, STP has continued to appear in San Francisco since that time in other preparations (such as the wedge4 series) which disguise the true nature of the drug. The most dramatic of these recurrent marketing patterns occurred in November of 1967 with the "pink wedge epi~ode."

This preparation contained 270 mcg. of LSD and 970 mcg. of STP. The population at risk heard it was "good acid" and approximately 5,000 "pink wedges" were consumed on the 10th and 11th of that month. As a result a large number of acute toxic psychoses were seen both at the Haight-Ashbury Clinic and at San Francisco General Hospital. Since that time STP in various dosages has continued to appear intermittently in such preparations as the white wedge, the yellow wedge, the purple wedge, and the red barrel.
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