title: Fatigue, exercise intolerance, and weakness: lessons on herding zebras.
authors.affiliation: Mayo Clinic, USA.
authors.forename: Philip R
authors.initials: PR
authors.lastname: Fischer
authors.forename: Jonathan N
authors.initials: JN
authors.lastname: Johnson
authors.forename: Chad K
authors.initials: CK
authors.lastname: Brands
mesh_terms: D000310:Adrenal Gland Neoplasms / Q000175:diagnosis / Q000235:genetics; D018549:Cryptogenic Organizing Pneumonia / Q000175:diagnosis; D003882:Dermatomyositis / Q000175:diagnosis; D003937:Diagnosis, Differential; D004417:Dyspnea / Q000209:etiology*; D015444:Exercise; D015673:Fatigue Syndrome, Chronic / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D018908:Muscle Weakness / Q000209:etiology*; D010673:Pheochromocytoma / Q000175:diagnosis / Q000235:genetics; D054972:Postural Orthostatic Tachycardia Syndrome / Q000175:diagnosis; D035583:Rare Diseases / Q000175:diagnosis*; D006623:von Hippel-Lindau Disease / Q000175:diagnosis / Q000235:genetics