Table 1.

Search strategy in PubMed up till November 30, 2020 (similar search run in other databases).

#1	“transcutaneous electrical acupoint stimulation” OR “transcutaneous acupoint electrical stimulation” OR “electr∗ stimulat∗” OR “electr∗ acustimul∗” OR “electroacupuncture∗” OR “electro-acupuncture” OR “TEAS”
#2	“Laparoscopy[Mesh]” OR “laparoscop∗” OR “coelioscop∗” OR “celioscop∗” OR “peritoneoscop∗”
#3	“Pain, Postoperative[Mesh]” OR “postoperative pain” OR “postoperative analgesi∗” OR “pain management” OR “ache∗” OR “suffering∗” OR “discomfort”
#4	#1 AND #2 AND #3