Saturday, September 17, 2022
Wednesday, September 14, 2022
Saturday, September 17, 2022
Wednesday, September 14, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:如样本来自某总体,χ<sup>2</sup>值小于3.84时,样...
Saturday, September 17, 2022
问题:男性,34岁,原有风湿性心脏病10年,反复心衰,平时服用地高辛半...
Saturday, September 17, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:女性患者,67岁,右手抖动、行走缓慢已4年,经过神经科检查后考虑...
Saturday, September 17, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Monday, September 12, 2022
问题:患儿近日常感无力,精神萎靡,食欲不佳,并诉右上腹隐痛。检查:面色...
Friday, September 16, 2022
Wednesday, September 14, 2022
Friday, September 16, 2022