2614884 EETA endoscopic endonasal transsphenoidal approach 49 2614888 EETA exo- and endoscopic two-step approach 3 2614887 EETA exclusively endoscopic transcanal approach 2 2614883 EETA extended endoscopic transsphenoidal approach 2 2614891 EETA extended endoscopic transtuberculum approach 2 2614885 EETA endoscopic transnasal transpterygoid 1 2614886 EETA ethanolic extract of Terminalia arjuna bark 1 2614889 EETA expanded endonasal transpterygoid approach 1 2614890 EETA extract of the leaves of Triticum aestivum 1