title: The NIH Undiagnosed Diseases Program: lessons learned.
authors.affiliation: NIH Undiagnosed Diseases Program, National Institutes of Health, Bethesda, MD 20892, USA.
authors.forename: William A
authors.initials: WA
authors.lastname: Gahl
authors.forename: Cynthia J
authors.initials: CJ
authors.lastname: Tifft
mesh_terms: D000328:Adult; D002648:Child; D003933:Diagnosis; D005192:Family Health; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009316:National Institutes of Health (U.S.); D009422:Nervous System Diseases / Q000175:diagnosis* / Q000209:etiology; D020411:Oligonucleotide Array Sequence Analysis; D010817:Physician-Patient Relations; D016730:Program Development; D035583:Rare Diseases / Q000175:diagnosis*; D012017:Referral and Consultation; D014481:United States