Dr. Azziz has published over 200 original articles, book chapters, and reviews. Dr. Azziz’s research include the study of the polycystic ovary syndrome (PCOS), the non-classic adrenal hyperplasia (NCAH); the role of the adrenal in hyperandrogenic disorders; the genetics of hyperandrogenic disorders including PCOS and NCAH; the treatment of hirsutism; the regulation and physiology of adrenal androgens; and credentialing and cost-effectiveness of operative endoscopy for pelvic reconstruction.

Dr. Rink is a member of the American Academy of Pediatrics (AAP), American College of Surgeons, The Society of Pediatric Urology, The European Society of Pediatric Urology, and the American Urologic Association (AUA). He has served on the Executive Committees of the Society of Genitourinary Reconstructive Surgeons (GURS), the American Academy of Pediatrics-Section on Urology, and the North Central Section of the AUA. He is past president of both the GURS and American Association of Pediatric Urologists. He is President-elect of the AAP-Section on Urology.

Dr. Rink has authored or co-authored over 120 journal articles and 20 Textbook chapters. He is co-editor of the new textbook, "Pediatric Urology".

His primary interest is in pediatric genital reconstructive procedures and reconstruction of the lower urinary tract in children. He has a tremendous amount of experience in reconstruction for Congenital Adrenal Hyperplasia and has reported several innovative surgical techniques for these children. He has lectured throughout the world on this topic.