Yule, W L A Scottish doctor's association with the discovery of the plague bacillus. [electronic resource] - Scottish medical journal Dec 1995 - 184-6 p. digital Publication Type: Biography; Historical Article; Journal Article; Portrait ISSN: 0036-9330 Standard No.: 10.1177/003693309504000609 doi Subjects--Topical Terms: Correspondence as Topic--historyHistory, 19th CenturyHong KongHumansPlague--historyScotlandYersinia pestis--isolation & purification