549,017 LOFGREN MATS Pregosterone in human parturition : progesterone and 5 d-pregnane-3, 20-dione in relation to human myometria] activity : [academisk avhandling]/ Mats Lofgren ; University of Umea ; [English rev. by Max Brandt], - Umea : University, 1991. - 41, [45] s. : wykr. ; 25 cm (Umea University Medical Dissertations, ISSN 0346-6612 ; A/er ser. no 321) Zawiera również 6 prac współaut. ISBN 91-7174-623-4