Phase I study of samalizumab in chronic lymphocytic leukemia and multiple myeloma: blockade of the immune checkpoint CD200 ========================================================================================================================== * Daruka Mahadevan * Mark C. Lanasa * Charles Farber * Manjari Pandey * Maria Whelden * Susan J. Faas * Terrie Ulery * Anjli Kukreja * Lan Li * Camille L. Bedrosian * Xiaoping Zhang * Leonard T. Heffner