i guess you are in nursing program right?8 [# s }* O( n. ^- S0 X; X! n
do not use translator. some of them do not make sense. . @+ N( N! S0 E) L3 y+ etry to use english "answer" website. it might help - E0 B- B8 g8 \i have one but i never use it. well, leave me messages on "duan xiao xi'