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i heard that for women, they are all replaced every 3 years, and for men, it is every 4 years. is that true?

2007-01-29 10:49:36 · 1 answers · asked by vitkap1 2 in Health Diseases & Conditions Cancer

anybody else have other estimates for how long it takes?

2007-01-29 11:34:15 · update #1

1 answers

3 month for both

2007-01-29 10:56:53 · answer #1 · answered by leFou 4 · 0 0

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