のようなYouTubeチャンネル Perioperative Interactive Education


1,330,000 3.39%


1,130,000 0.9%

1,540,000 2.64%


1,950,000 1.71%

282,000 3.11%



41,600 3.68%



534,000 1.5%


306,000 3.0%

20,400,000 2.43%


3,210,000 2.78%