观察组于出生后第一天开始进行游泳和抚触，对照组仅淋浴。

Observation group, the first day after birth were swimming and touching, the control group, only shower.

youdao

观察组于出生后第一天开始进行游泳和抚触，对照组仅淋浴。

Observation group, the first day after birth were swimming and touching, the control group, only shower.

youdao