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Pubertal Timing as a Measure of Health and a… duration 29 minutes 28 seconds Pubertal Timing as a Measure of Health and a… Pubertal Timing as a Measure of Health and a Bridge Between Past and Present, by Sharon DeWitte	Pubertal Timing as a Measure of Health and a Bridge Between Past and Present, by Sharon DeWitte timing menarche studies age ages populations onset past childhood status puberty individuals disease conditions gender context trend scholars lewis population From Samantha Price 24 plays 0
Bonding 1 duration 38 minutes 40 seconds Bonding 1 Bonding 1	Bonding 1 captionasr electrons atoms structure atom valence octet bond bonding carbon lewis bonds ions nitrogen materials pairs molecule molecules pair step shell From Linda Davis 2,990 plays 0