الفهرس 
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Abstract
This work was performed to demonstrate the effects df Bhang
01] the histological and histochemical picture of the mucus membrane
011 he respi raioi\ svsieli] and oii I lie heart of adult imile albino rates.
Material and Methods
SI xiv ad till male albino rats weighing 175—225 gin vere used 111 the present work and (liv] ded into Iwo maj or groups
( out rol group:
I 2 rats i ccci ved no treat mciii and halt of them were killed afler Oi iC 1110111 Ii and t he oilier half’ after two in ont Ii s.
txperimcntal group:
48 i ats crc exposed to l3hang smoke. This group was further subdi \‘ided I lito three equal subgroups according to the time of CXl)0SFC to l3liang siiioke
Subgroup 1:
1 6 rats were exposed to Bhang smoke for 1 0 minutes (each exposure). times per day, for one month
Subgroup 2:
I 6 rats were exposed to I3hang smoke for 20 minutes (each cxj )OS ne). iii nes per (lay, for one month.