Sumber:

https://cam.cochrane.org/effect-tens-pain-relief-labor

https://evidencebasedbirth.com/transcutaneous-electrical-nerve-stimulation-tens-for-pain-relief-during-labor/

panduan-audio-hypnofertility-ads

https://www.ncbi.nlm.nih.gov/pubmed/9544709

https://www.sciencedirect.com/science/article/pii/S1836955315001289

http://vitalcore.com.au/womens-health/tens-for-labour-pain/