i guess you are in nursing program right?1 V) T* v. X0 Y9 }& o
do not use translator. some of them do not make sense.% x7 d2 o5 n% g1 b
try to use english "answer" website. it might help I" }/ N* B9 k* y0 ~i have one but i never use it. well, leave me messages on "duan xiao xi'