Sprague S M; Ho L T (2002). "Oral doxercalciferol therapy for secondary hyperparathyroidism in a peritoneal dialysis patient". Clinical Nephrology. 58 (2): 155–160. doi:10.5414/cnp58155. PMID12227689.
Sprague S M; Ho L T (2002). "Oral doxercalciferol therapy for secondary hyperparathyroidism in a peritoneal dialysis patient". Clinical Nephrology. 58 (2): 155–160. doi:10.5414/cnp58155. PMID12227689.