{HEAD ~ The method} 1 wherein said {TAIL ~ at least one sterol} is cholesterol, and the proportion of said sterol containing material based on the amount of said packing material is approximately 40 weight percent 
wherein
{ HEAD ~ The method } 1 wherein said { TAIL ~ at least one sterol } is cholesterol , and the proportion of said sterol containing material based on the amount of said packing material is approximately 40 weight percent
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH