526,130 PIIROINEN OLLI Studies in diagnostic ultrasound. Size of the non-pregnant uterus in women of child-bearing age and uterine growth and foetal development in the first half of normal pregnancy. Turku 1975 Almqvist and Wiksell,Stockholm 80 s. nlb. 2. 60, il. Acta Obstetricia et Gynecologica Scandina-vica, suppl. 46