Świebocka , Ewa, and Zenon Siergiejko. 2008. “Conjunctival Provocation Test (CPT) With an Allergen ? Is It Possible to Standardize the Method?”. Alergoprofil 3 (4), 7-11. https://www.journalsmededu.pl/index.php/alergoprofil/article/view/30.