vol1 - Page 294
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trolle_settlng--his medical facility. _/ Smoking only moderate
amounts of marijuana-_usually a single cigarette per day--proved
sufficient to achieve beneficial results. 9_-q/ His patients
experienced relief for long periods of time--up to three years _
with no adverse effects reported. 68_/ Dr. Petro noted that one
patient with whom he communicated had reported an adverse
reaction to marijuana smoking, but this was out of a group of
several hundred patients° -_i/ All patients considered marijuana
to be medicines _8_/
Seconds Dro Petro conducted a study with marijuanats
most psychoactive constituent_-tetrahydrocannabinol. 6_/
Using a randomized double blind study to compare Delta-9-THC
with placebo in the control of spasticity in nine subjects,
Dry Petro found positive improvement in all nine subjects. 6_/
In high doses, however_ Delta-9-THC had adverse effects_patients
experienced psychological disturbances° In addition, after
repeated uses a tolerance to the drug quickly developed.
...... Patients in the study_ however, o reported more positive improve-
679/ Cross-examination of Dr. Denis Petro, Tro 6-164°
680/ Affidavit of Dr. Denis Petro, I 31.
___i/ _o at _ 41.
6_/ Cross-examination of Dr. Denis Petro_ Tr. 6-160 & 6-161o
9__/ _o at 6-162o
684/ Affidavit of Dr. Denis Petro, _I 58-60 & Exh. 3 (_Treatme_%_
of Human Spastioity with Delta-9-Tetrahydrocannabinol m) .
Dr. Petro testified that he first had attempted to conduct his
experiments with marijuana but was refused access to marijuana by
federal officials° Id. at _ 59.
685/ /__. at _ 59-60.
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