送交者: xj 于 2005-5-03, 22:01:45:
回答: 不可以吧？ ：） 由 桂铭 于 2005-5-03, 20:59:08:
you can measure that kind of stuff on different people at different situation.
In fact, the weak or frequent urination is a critical measure in old people and indeed there are tons of papers reporting this.