title: Do appendectomy and tonsillectomy reduce the risk of rheumatoid arthritis?
authors.forename: Y
authors.initials: Y
authors.lastname: Koumantaki
authors.forename: E
authors.initials: E
authors.lastname: Giziaki
authors.forename: E
authors.initials: E
authors.lastname: Kaklamani
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001062:Appendectomy / Q000009:adverse effects*; D001172:Arthritis, Rheumatoid / Q000209:etiology*; D016022:Case-Control Studies; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D014068:Tonsillectomy / Q000009:adverse effects*