[1] Nadkarni PM, Ohno-Machado L, Chapman WW. Natural language processing: An introduction. Journal of the American Medical Informatics Association. 2011.

[2] Afzal N, Mallipeddi VP, Sohn S, Liu H, Chaudhry R, Scott CG, et al. Natural language processing of clinical notes for identification of critical limb ischemia. Int J Med Inform. 2018;

[3] Dalpiaz F, Ferrari A, Franch X, Palomares C. Natural Language Processing for Requirements Engineering: The Best Is Yet to Come. IEEE Softw. 2018;

[4] Friedman C, Rindflesch TC, Corn M. Natural language processing: State of the art and prospects for significant progress, a workshop sponsored by the National Library of Medicine. J Biomed Inform. 2013;

[5] Zeng W, Wu M, Jiang R. Prediction of enhancer-promoter interactions via natural language processing. BMC Genomics. 2018;

[6] Demner-Fushman D, Chapman WW, McDonald CJ. What can natural language processing do for clinical decision support? Journal of Biomedical Informatics. 2009.

[7] Liu K, Hogan WR, Crowley RS. Natural Language Processing methods and systems for biomedical ontology learning. Journal of Biomedical Informatics. 2011.

[8] Collobert R, Weston J, Bottou L, Karlen M, Kavukcuoglu K, Kuksa P. Natural language processing (almost) from scratch. J Mach Learn Res. 2011;

[9] Kreimeyer K, Foster M, Pandey A, Arya N, Halford G, Jones SF, et al. Natural language processing systems for capturing and standardizing unstructured clinical information: A systematic review. Journal of Biomedical Informatics. 2017.

[10] MaynardD,BontchevaK.Natural language processing. In:  Perspectives on Ontology Learning.2014.

SOEIT, Sanskriti University, Mathura, Uttar Pradesh, India (swapnil.cse@sanskriti.edu.in )