LACKGREN GORAN 605,215 The human undescended testis and the effect of HCG : /Humanes Choriongonadotropin/ treatment : a study of the morphology, in vitro progesterone metabolism, gonadotrophin receptors and germ cell adenylyl na. cyclase in testicular biopsies ; / doctoral thesis// by Goran Lackgren ; / University Uppsala/. - Uppsala : Acad. Upsaliene sis, 1983. - 41 s. ; 25 cm /Acta Univcrsitatis Upsaliensis. Abstrac of Uppsala Dissertations from the Faculty/