ما هو Pack Year حاسبة؟
The age at which the individual began smoking regularly. The age at which smoking ended, or the التيار age if still smoking.
جارٍ تحميل الحاسبة…
The age at which the individual began smoking regularly. The age at which smoking ended, or the التيار age if still smoking.
جارٍ تحميل الحاسبة…