{HEAD ~ One aspect} of the invention relates to niacin analogs for use in raising serum HDL levels in {TAIL ~ mammals} 
{ HEAD ~ One aspect } of the invention relates to niacin analogs for use in raising serum HDL levels in { TAIL ~ mammals }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL