还记得在医学院学的：右半结肠癌的主要症状是出血，左半是梗阻。盲肠是右半结肠。

来源: 老道于 2023-03-29 20:05:47 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.