title: What is tibolone--and is it a SPEAR?
authors.affiliation: Centre for Metabolic Bone Disease, University of Hull, Kingston upon Hull, UK.
authors.forename: D W
authors.initials: DW
authors.lastname: Purdie
mesh_terms: D000726:Androgen Antagonists / Q000737:chemistry* / Q000145:classification; D020847:Estrogen Receptor Modulators / Q000737:chemistry* / Q000145:classification; D005260:Female; D006801:Humans; D009652:Norpregnenes / Q000737:chemistry* / Q000145:classification; D011372:Progestins / Q000037:antagonists & inhibitors*; D009626:Terminology as Topic
chemical_list: D000726:Androgen Antagonists; D020847:Estrogen Receptor Modulators; D009652:Norpregnenes; D011372:Progestins; C027385:tibolone