Research cite sources or give links? GNA does links

fertility

Paulus, W., Xhang, M., Strehler, E., El-Danasouri, I. Sterzik, K. (2002), Influence of acupuncture on the pregnancy rate in patients who undergo assisted reproduction therapy

https://www.ncbi.nlm.nih.gov/pubmed/9272232/

Manheimer, E., et. al. Effects of acupuncture on rates of pregnancy and live birth among women undergoing in vitro fertilization: systematic review and meta-analysis. British Medical Journal. February 2008
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2265327/

Digestion

Acupuncture and moxibustion in the treatment of active Crohn's disease: a randomized controlled study.
Joos S, Brinkhaus B, Maluche C, Maupai N, Kohnen R, Kraehmer N, Hahn EG, Schuppan D
Digestion. 2004; 69(3):131-9.
https://www.ncbi.nlm.nih.gov/pubmed/15114043/