AUTHOR=Qin Hong , You Changqiao , Yan Feng , Tan Kefang , Xu Changgen , Zhao Rui , Ekpo Marlene Davis , Tan Songwen TITLE=Overcoming the challenges in translational development of natural killer cell therapeutics: An opinion paper JOURNAL=Frontiers in Oncology VOLUME=12 YEAR=2022 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2022.1062765 DOI=10.3389/fonc.2022.1062765 ISSN=2234-943X