Alsuwaigh, Rayan Response to targeted therapy or chemotherapy following immunotherapy in patients with gastrointestinal cancers - a case series. [electronic resource] - Journal for immunotherapy of cancer 06 2019 - 162 p. digital Publication Type: Journal Article; Retracted Publication ISSN: 2051-1426 Standard No.: 10.1186/s40425-019-0637-6 doi