M. L. Patti, C. De Rose, F. Brancato, A. Gambacorta, and S. Miceli Sopo, “Sensitivity of prick test with walnut commercial extracts and of prick by prick with raw walnut compared with open food challenge in walnut allergy: Low SPT sensitivity in walnut allergy ”, Acta Biomed, vol. 92, no. S1, p. e2021067, Apr. 2021, doi: 10.23750/abm.v92iS1.10043.