i guess you are in nursing program right?* I9 ^" c5 L/ [- S' s
do not use translator. some of them do not make sense.; G8 d8 b2 f( N% y8 ]! o
try to use english "answer" website. it might help $ e6 c& b( [) @5 C4 mi have one but i never use it. well, leave me messages on "duan xiao xi'