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Opioids for back and neck pain: the OPAL trial - Authors' reply.
Jones CMP, Day RO, Koes BW, Latimer J, Maher CG, McLachlan AJ, Billot L, Shan S, Lin CC; OPAL Investigators and Coordinators. Jones CMP, et al. Lancet. 2024 Jun 1;403(10442):2379-2380. doi: 10.1016/S0140-6736(24)00487-2. Lancet. 2024. PMID: 38823991 No abstract available.
The effect of tibolone and continuous combined conjugated equine oestrogens plus medroxyprogesterone acetate on progression of carotid intima-media thickness: the Osteoporosis Prevention and Arterial effects of tiboLone (OPAL) study.
Bots ML, Evans GW, Riley W, McBride KH, Paskett ED, Helmond FA, Grobbee DE; OPAL Investigators. Bots ML, et al. Eur Heart J. 2006 Mar;27(6):746-55. doi: 10.1093/eurheartj/ehi695. Epub 2006 Jan 16. Eur Heart J. 2006. PMID: 16415304 Clinical Trial.