i guess you are in nursing program right? 8 e' N& a# v! v$ Sdo not use translator. some of them do not make sense.7 \& f* q2 {# h& h
try to use english "answer" website. it might help8 ~# N7 A% {& I& M F
i have one but i never use it. well, leave me messages on "duan xiao xi'