A twin study of chronic fatigue.
Buchwald D, Herrell R, Ashton S, Belcourt M, Schmaling K, Sullivan P, Neale M, Goldberg J.
Buchwald D, et al. Among authors: belcourt m.
Psychosom Med. 2001 Nov-Dec;63(6):936-43. doi: 10.1097/00006842-200111000-00012.
Psychosom Med. 2001.
PMID: 11719632