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Hakami A, Henze DK, Seinfeld JH, Singh K, Sandu A, Kim S, Byun D, Li Q.Hakami A, et al. Among authors: singh k.Environ Sci Technol. 2007 Nov 15;41(22):7807-17. doi: 10.1021/es070944p.Environ Sci Technol. 2007.PMID: 18075092
De Stefano M, Singh K, Raina A, Mohan S, Ul Haq MI, Ruggiero A.De Stefano M, et al. Among authors: singh k.J Taibah Univ Med Sci. 2024 May 12;19(3):644-663. doi: 10.1016/j.jtumed.2024.05.004. eCollection 2024 Jun.J Taibah Univ Med Sci. 2024.PMID: 38807965Free PMC article.Review.