TY - BOOK AU - Ringe,Johann D. TI - Alfacalcidol in prevention and treatment of all major forms of osteoporosis and in renal osteopathy: distinction to plain vitamin D, clinical evidence and practical recommendations SN - 3131342919 PY - 2006/// CY - Stuttgart PB - Thieme KW - Osteoporosis KW - Bone Density Conservation Agents ER -