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Lee HM, Lee HS, Singh JK.Lee HM, et al. Among authors: singh jk.Materials (Basel). 2017 May 3;10(5):492. doi: 10.3390/ma10050492.Materials (Basel). 2017.PMID: 28772852Free PMC article.
Seikh AH, Sarkar A, Singh JK, Mohammed SMAK, Alharthi N, Ghosh M.Seikh AH, et al. Among authors: singh jk.Materials (Basel). 2019 Feb 6;12(3):503. doi: 10.3390/ma12030503.Materials (Basel). 2019.PMID: 30736386Free PMC article.
Lee HS, Park JH, Singh JK, Choi HJ, Mandal S, Jang JM, Yang HM.Lee HS, et al. Among authors: singh jk.Materials (Basel). 2020 Feb 17;13(4):895. doi: 10.3390/ma13040895.Materials (Basel). 2020.PMID: 32079313Free PMC article.