Lopez LR, Barlogio CJ, Broberg CA, Wang J, Arthur JC. A nadA mutation confers nicotinic acid auxotrophy in pro-carcinogenic intestinal escherichia coli NC101. Front Microbiol. 2021 Jun 2;12:670005. doi: 10.3389/fmicb.2021.670005
Park EM, Deal AM, Yopp JM, Edwards TP, Wilson DJ, Hanson LC, Rosenstein DL. End-of-life experiences of mothers with advanced cancer: perspectives of widowed fathers. BMJ Support Palliat Care. 2016 Dec;6(4):437-44. doi: 10.1136/bmjspcare-2015-000976
Cole JA, Rothman KJ, Cabral HJ, Zhang Y, Farraye FA. Incidence of IBS in a cohort of people with asthma. Dig Dis Sci. 2007 Feb 28;52(2):329-35.