Based on these data , large scale anonymous studies looking for prp accumulation in surgically removed tonsillectomy and appendicectomy specimens are underway .
以这些数据为基础，在手术切除的扁桃体和阑尾标本中开展了大规模寻找prp积聚的研究。
Prior appendicectomy delayed age of presentation for both diseases and was statistically significant for crohn 's disease ( p = 0.02 ) .
