1.
Camacho I, Caeiro E, Nunes C, Morais-Almeida M. Airborne pollen calendar of Portugal: a 15-year survey (2002-2017). Allergol Immunopathol. 2020;48(2):194-201. Accessed September 11, 2025. https://all-imm.com/index.php/aei/article/view/232