i guess you are in nursing program right? ; v4 ~" Q: @5 L4 ~do not use translator. some of them do not make sense. $ [$ S: F3 k4 C4 @+ H7 a( Xtry to use english "answer" website. it might help : a) ?3 u; c, Oi have one but i never use it. well, leave me messages on "duan xiao xi'