Here are resources for in depth analysis of hypogonadism and erectile dysfunction:
Contemporary and Novel Imaging Studies for the Evaluation of Erectile Dysfunction [PubMed Abstract] [Full Text HTML] [Full Text PDF]. Med Sci (Basel). 2019 Aug; 7(8): 87.
Evaluation and Management of Testosterone Deficiency:
AUA Guideline [PubMed Abstract] [Link to Full Text PDF]. J Urol. 2018 Aug;200(2):423-432.
Erectile Dysfunction: AUA Guideline [PubMed Abstract] [Full Text PDF]. J Urol. 2018 Sep;200(3):633-641.
EAU Guidelines on Erectile Dysfunction, Premature Ejaculation, Penile Curvature and Priapism [PubMed Abstract] [Full Text PDF].
