Hayes, R P Psychometric testing of two new patient-reported outcome instruments for the evaluation of treatment for hypogonadism. [electronic resource] - International journal of clinical practice Jul 2016 - 587-95 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1742-1241 Standard No.: 10.1111/ijcp.12828 doi Subjects--Topical Terms: AdultAgedAged, 80 and overFactor Analysis, StatisticalHumansHypogonadism--drug therapyLibido--drug effectsMaleMiddle AgedPenile Erection--drug effectsPsychometricsReproducibility of ResultsSurveys and QuestionnairesTestosterone--bloodTreatment OutcomeYoung Adult