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Comparative in vitro release of tramadol hydrochloride from different suppositories
Comparative in vitro release of tramadol hydrochloride from different agar, A0 (–×–), A1 (–♦–), A2 (–■–), A3 (–▲–), A4 (–◊–), A5 (–●–) and cocoa butter, C1 (–□–), C2 (–Δ–), C3 (–○–) suppositories.
