R. Fornons-Servent, A. Bauer-Alonso, C. Llobera-Ris, R. M. Penín, and J. Marcoval, “Granuloma annulare: a case-control study of possible associated diseases”., Dermatol Pract Concept, vol. 12, no. 4, p. e2022173, Oct. 2022, doi: 10.5826/dpc.1204a173.