i guess you are in nursing program right?: y; b" I( b: E0 k
do not use translator. some of them do not make sense.4 b2 T& t0 M5 C: W; r1 d8 R* t
try to use english "answer" website. it might help 4 J4 n; y$ o- p' Z2 Ti have one but i never use it. well, leave me messages on "duan xiao xi'