ISBN-13: 9781489939593 / Angielski / Miękka / 2013 / 156 str.
ISBN-13: 9781489939593 / Angielski / Miękka / 2013 / 156 str.
One of the few extant longitudinal studies of normal men; has the best follow-up rate (94%) of any longitudinal study of its length ever done.