Learning on 02/18/2026
臨床 歯周病Feb 17, 2026, 3:47:24 PM
Study time: 44 seconds
Today's learning: 2
Consecutive study days: 3
Difficult review: 1
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Feb 17, 2026, 3:47:24 PM
Study time: 44 seconds
Today's learning: 2
Consecutive study days: 3
Difficult review: 1