tandon, sneha, et al. “EXPRESSION AND CLINICAL CORRELATION OF PD-1 PD-L1 AND VE1(BRAFP.V600E) IN PEDIATRIC LANGERHANS CELL HISTIOCYTOSIS ”. Mediterranean Journal of Hematology and Infectious Diseases, vol. 15, no. 1, Apr. 2023, p. e2023035, doi:10.4084/MJHID.2023.035.