Cov neeg uas saib xyuas lawv cov tawv nqaij yuav tsum paub txog nicotinamide, uas muaj nyob hauv ntau cov khoom siv tawv nqaij, yog li koj puas paub tias nicotinamide yog dab tsi rau kev tu tawv nqaij?Lub luag haujlwm ntawm nws yog dab tsi?Hnub no peb yuav teb kom meej rau koj, yog tias koj xav tau, saib!Nicotinamide...
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