An pagkakaiba han mga rebisyon han "1928"

*Enero – An British na bacteriologist na si [[Frederick Griffith]] nagreport san resulta san ''Griffith's experiment'', na diri deretsahan nagpapatunay san ''existence'' san DNA.[1][<ref>Griffith, Fred. (January 1928). "The Significance of Pneumococcal Types". Journal of Hygiene. Cambridge University Press. 27 (2]): 113–159. doi:10.1017/S0022172400031879. JSTOR 4626734. PMC 2167760. PMID 20474956.</ref> <ref>Downie, A. W. (1972). "Pneumococcal transformation – a backward view: Fourth Griffith Memorial Lecture" (PDF). Journal of General Microbiology. 73 (1): 1–11. doi:10.1099/00221287-73-1-1. PMID 4143929. Retrieved November 30, 2011.</ref>