1.licensed practical nurse: in the U.S., someone who has basic training in taking care of people who are ill but must work under a registered nurse or a doctor
1.Objective To explore the effectiveness and safety of laparoscopic presacral neurectomy (LPN) in treating endometriosis-associated pain.
目的评价腹腔镜骶前神经切断术治疗子宫内膜异位症所致痛经的有效性及安全性。
2.During right LPN, the liver is retracted anteriorly and cephalad to expose the renal upper pole.
在右侧LPN中，肝脏应在头侧的前位而暴露肾上极。