May Grünwald–Giemsa staining of bone marrow cells taken from a patient with hereditary folate malabsorption, from a case report by Yukari Sakurai et al., 2022
May–Grünwald stain or May–Grünwald–Giemsa stain is used for the staining of slides obtained by fine-needle aspiration in a histopathology lab for the diagnosis of tumorous cells.