TY - GEN AU - Warming,L AU - Ravn,P AU - Christiansen,C TI - Levonorgestrel and 17beta-estradiol given transdermally for the prevention of postmenopausal osteoporosis SN - 0378-5122 PY - 2005///0426 KW - Administration, Cutaneous KW - Aged KW - Alkaline Phosphatase KW - blood KW - Biomarkers KW - analysis KW - Bone Density KW - Collagen KW - urine KW - Contraceptives, Oral, Synthetic KW - therapeutic use KW - Double-Blind Method KW - Estradiol KW - Estrogen Replacement Therapy KW - Female KW - Humans KW - Levonorgestrel KW - Middle Aged KW - Osteocalcin KW - Osteoporosis, Postmenopausal KW - prevention & control KW - Peptide Fragments KW - Prospective Studies KW - Treatment Outcome N1 - Publication Type: Clinical Trial; Clinical Trial, Phase III; Journal Article; Randomized Controlled Trial UR - https://doi.org/10.1016/j.maturitas.2004.03.016 ER -