https://nettyuusyo.com/ice-bags-on-major-arteries/
「首・わき・鼠径部」を氷で冷やす方法では体温が全然下がらない

https://nettyuusyo.com/wp-content/uploads/2018/05/%E5%86%B7%E5%8D%B4%E6%96%B9%E6%B3%95%E3%81%A8%E5%86%B7%E5%8D%B4%E3%82%B9%E3%83%92%E3%82%9A%E3%83%BC%E3%83%88%E3%82%99-583x470.png