i guess you are in nursing program right?: N7 y+ ], V, g1 o. F
do not use translator. some of them do not make sense., J1 ]- |+ {8 ^ g
try to use english "answer" website. it might help / ]2 N" H3 W( H- y$ v9 A& d- V; k5 L' x8 Ei have one but i never use it. well, leave me messages on "duan xiao xi'