METHODS: Twenty-four animals were randomized into control, lactated Ringer's solution and HES groups.
METHODS: Twenty-four animals were randomized into control, lactated Ringer's solution and HES groups.
方法：24只动物随机分为对照组、乳酸林格液组和HES组。
METHODS: Twenty-four animals were randomized into control, lactated Ringer's solution and HES groups.
方法：24只动物随机分为对照组、乳酸林格液组和HES组。