Giemsa is the optimal counterstain for immunohistochemical detection of BRAF V600E mutation status in pigmented melanomas. (28th April 2016) - Ravishankar, Sanjita; Nagarajan, Priyadharsini; Curry, Jonathan L.; Tetzlaff, Michael T.; Ivan, Doina; Torres‐Cabala, Carlos A.; Aung, Phyu P.; Prieto, Victor G.