i guess you are in nursing program right? R" {' ?7 W* U2 r; S4 Q* _! W
do not use translator. some of them do not make sense. ) } E# k; U% t- ^, ~try to use english "answer" website. it might help 4 V0 G6 |6 I3 t& h) x- si have one but i never use it. well, leave me messages on "duan xiao xi'