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Bilateral versus unilateral botulinum toxin injections for chronic anal fissure: a randomised trial.
[BACKGROUND] Botulinum toxin injected into the internal anal sphincter is used in the treatment of chronic anal fissure but there is no standardised technique for its administration. This randomised single centre trial compares bilateral (e…
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Pricing of common cosmetic surgery procedures: local economic factors trump supply and demand.
[BACKGROUND] The pricing of cosmetic surgery procedures has long been thought to coincide with laws of basic economics, including the model of supply and demand. However, the highly variable prices of these procedures indicate that addition…