during the last 7 days they were divided into these treatment groups : control ( c ) , untreated diabetic ( d ) , diabetic rats receiving diphenhydramine-hcl ( b ) , diabetic rats receiving ranitidine ( r ) and diabetic rats receiving diphenhydramine and ranitidine ( br ) .
C0004963
diphenhydramine-hcl
C0012522
diphenhydramine