143582 EN eosin-nigrosin 11 143807 E-N E HU ratio, (A-N) 1 143809 E-N EATSTFTN 1 143808 E-N empty niosomes 1 143806 E-N energy-nitrogen 1 143805 E-N entecavir no-responders 1 143802 E-N ethanol-naive 1 143804 E-N evening-night 1 143803 E-N experiment-no treatment 1