News from Mayo Clinic Print 2019Science Saturday: The newest building block for understanding rare disease May 11, 2019, 07:00 a.m. CDT Request an Appointment at Mayo Clinic Costs & insuranceResources for medical professionals April 01, 2020 Share on: FacebookTwitter SectionsRequest an AppointmentOverviewTests & proceduresConditions treatedDoctorsSpecialty groupsExpertise & rankingsLocations, travel & lodgingClinical trialsResearchThe Mayo Clinic experience & patient storiesCosts & insuranceNews from Mayo ClinicResources for medical professionals ORG-20476802 Departments & Centers Medical Departments & Centers Rheumatology