i guess you are in nursing program right? T& Z1 q4 f' Bdo not use translator. some of them do not make sense.$ J6 o R+ R5 n; [3 _! |% [+ d( f
try to use english "answer" website. it might help, g% E, t9 k" _; {3 I, K ^
i have one but i never use it. well, leave me messages on "duan xiao xi'