i guess you are in nursing program right? 8 W% O2 Y p$ N% @do not use translator. some of them do not make sense. 5 O2 A' ^4 R: t/ ftry to use english "answer" website. it might help3 c5 ]; \2 Z6 C8 u' c
i have one but i never use it. well, leave me messages on "duan xiao xi'