PubMed:: "Dietary Fiber"[Mesh] OR dietary fiber*[tiab] OR dietary fibre*[tiab] OR diet fiber*[tiab] OR wheat bran*[tiab] OR roughage*[tiab] OR high fiber diet*[tiab] OR high fibre diet*[tiab] OR alimentary fiber*[tiab] OR alimentary fibre*[tiab];; Embase.com:: (dietary NEXT/1 fiber*):ab,ti OR (dietary NEXT/1 fibre*):ab,ti OR (diet NEXT/1 fiber*):ab,ti OR (wheat NEXT/1 bran*):ab,ti OR roughage*:ab,ti OR (high:ab,ti AND (fiber NEXT/1 diet*):ab,ti) OR (high:ab,ti AND (fibre NEXT/1 diet*):ab,ti) OR (alimentary NEXT/1 fiber*):ab,ti OR (alimentary NEXT/1 fibre*):ab,ti
