Increased frequency of migraine among women with endometriosis.

Ferrero S, Pretta S, Bertoldi S, Anserini P, Remorgida V, Del Sette M, Gandolfo C, Ragni N. Increased frequency of migraine among women with endometriosis. Hum Reprod 2004;19:2927-2932.

https://academic.oup.com/humrep/article/19/12/2927/2356375