i guess you are in nursing program right? - M. r% O( ]/ \5 g8 p. L7 {1 ldo not use translator. some of them do not make sense.) P1 f) d. v2 ~. i( [0 {/ V* K
try to use english "answer" website. it might help ?( e" Z B% l: w$ I
i have one but i never use it. well, leave me messages on "duan xiao xi'