Kropman, R F Analysis of continuous nocturnal penile rigidity measurements with the use of the RigiScan summary analysis software program. [electronic resource] - International journal of impotence research Jun 1995 - 71-82 p. digital Publication Type: Journal Article ISSN: 0955-9930 Subjects--Topical Terms: AdolescentAdultAgedErectile Dysfunction--physiopathologyHumansImpotence, Vasculogenic--physiopathologyLogistic ModelsMaleMiddle AgedPenile ErectionSleepSoftware