Osteoporosis is a condition in which your bones lose calcium and become more likely to break. (MEDICAL)
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Osteoporosis is a condition in which your bones lose calcium and become more likely to break. (MEDICAL)
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012