1. Leonardi A, Fregona IA, Gismondi M, Daniotti E, Carniel G, Secchi AG . Correlation between conjunctival provocation test (CPT) and systemic allergometric tests in allergic conjunctivitis. Eye 1990;4:760–4.
2. Leonardi A, Daniotti E, Carniel G, DeCarli M, Gismondi M, Fregona IA, Secchi AG . I test allergometrici sistemici e lacrimali nella diagnosi di congiuntivite allergica. In: Proceedings of the 69th Congress of the SOI. ESAM, Rome: Futura Publishing, 1990:329–34.
3. Secchi AG, Leonardi A, Daniotti E, Carniel G, Fregona IA . Tear specific IgE in the diagnosis of allergic hay fever type conjunctivitis. In: Usui M, Ohno S, Aoki K, editors. Ocular immunology today. Amsterdam: Elsevier, 1990:29–32.
4. Allansmith MR, Hahn GS, Simon MA . Tissue, tear and serum IgE concentrations in vernal conjunctivitis. Am J Ophthalmol 1976;81:506–11.
5. Ballow M, Mendelson L . Specific immunoglobulin E antibodies in tear secretions of patients with vernal conjunctivitis. J Allergy Clin Immunol 1980;66:112–8.