RT @newscientist: Gel that makes teeth repair themselves could spell the end of fillings https://t.co/LlAfbEafCX https://t.co/zDZsDInj9y 0 atbildes

	Jaunais mācību gads (2019-09-02 21:22:29) @twitter	RT @newscientist: Gel that makes teeth repair themselves could spell the end of fillings https://t.co/LlAfbEafCX https://t.co/zDZsDInj9y