Analysis of information sources in references of the Wikipedia article "Alexander Gordon (physician)" in English language version.
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: CS1 maint: postscript (link) (Ian A. Porter, M.D. (1921–2005) was a consultant microbiologist at City Hospital, Aberdeen; Taylor, Graeme (28 May 2005). "Obituary. Ian Alexander Porter". BMJ. 330 (7502): 1274. PMC 558143.){{cite book}}
: CS1 maint: postscript (link) (Ian A. Porter, M.D. (1921–2005) was a consultant microbiologist at City Hospital, Aberdeen; Taylor, Graeme (28 May 2005). "Obituary. Ian Alexander Porter". BMJ. 330 (7502): 1274. PMC 558143.)