11. Etiology due to hormonal defects : idiopathic hypoparathyroidism and pseudohypoparathyroidism.12. This ontogenically early event is important in the etiology of these tumors. 13. Foroozen divides the etiologies of chiasmal syndromes into intrinsic and extrinsic causes. 14. This protein may play a role in the etiology of prostate cancer. 15. Pathology findings, both in monkeys and in rare human neuroimmune etiology . 16. There are multiple theories about the etiology of atrial fibrillation. 17. POIS could represent " a spectrum of syndromes of differing etiologies ". 18. The etiology and pathogenesis of PANDAS is not completely understood. 19. In every single case, there was another etiology , 20. Secondary headaches are classified based on their etiology and not on their symptoms.
