i guess you are in nursing program right? ' ]4 r% n7 \8 G8 y: f' E, _do not use translator. some of them do not make sense. % A9 Y4 y& z2 z$ Q2 n! utry to use english "answer" website. it might help 2 N! q5 s2 X7 f3 `i have one but i never use it. well, leave me messages on "duan xiao xi'