Methods: 76 cases of hemiplegia after stroke with shoulder pain, in accordance with the randomnumbertable, were divided into treatment group and control group.
方法：将76例中风偏瘫后肩痛患者，按照随机数字表法分为治疗组和对照组。
2
Methods a total of 200 patients receiving electronic gastroscopy were divided by randomnumbertable into observation group and control group, with 100 cases in each group.
方法200例接受电子胃镜检查患者，通过随机数字表法分为观察组和对照组，每组100例。
3
RAND_LOOKUP, a random lookup function that selects a value for the destination column from a lookup table based on a randomnumber as the subscript in the lookup table.