{HEAD ~ Materials} and methods related to {TAIL ~ sodium/potassium adenosine triphosphase} and cholesterol 
related to
{ HEAD ~ Materials } and methods related to { TAIL ~ sodium / potassium adenosine triphosphase } and cholesterol
HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH