目前多数同意的围生期概念是
A.妊娠20周~产后28天B.妊娠28周~产后28天C.妊娠28周~产后7天D.妊娠24周~产后14天E.妊娠24周~产后7天
参考答案:C
By the time he realizes he into a trap, it’ll be too late for him to do anything about it.
A.walks
B.walked
C.has walked
D.had walked
哪些器官常发生细胞水肿?其发生机制和病理特点有哪些?