Constrained acetabular liners have been developed for patients who are at high risk for dislocation or who are undergoing revision surgery for recurrent dislocations.We report on Chassis Accessory Products 2 cases of failure of tripolar constrained liners due to severe backside polyethylene wear after dissociation of the outer polyethylene liner wi
Recruitment of low- and middle-income country volunteers from most-at-risk populations in HIV vaccine trials is essential to vaccine development.In India, men who have sex with men (MSM) are at disproportionately high risk for HIV infection and an important population for trial recruitment.Investigations of willingness to participate (WTP) in HIV v
Abstract Objective To critically appraise the evidence for and against premonitory symptoms in migraine being due to hypothalamic dysfunction.Discussion Some premonitory symptoms (e.g.fatigue, mood changes, yawning, and food craving) are associated with the physiologic effects of neurotransmitters such as orexins, neuropeptide Y, and dopamine; all