Bill·roth 
(bĭlrōt), (Christian Albert) Theodor 1829-1894.
(bĭlrōt), (Christian Albert) Theodor 1829-1894. Prussian-born Austrian surgeon who was a pioneer of modern abdominal surgery. He was the first to develop a number of surgical techniques, including removal of part of the stomach.
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- sleeping bag
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- sleepless
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- sleeplessness
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- sleepwalk
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- sleepwalking
- sleepwear