I have been casually searching the academic literature about the medical information on Wikipedia. Here is one, which looks at medical students' use of Wikipedia:
AndHandling erroneous Wikipedia articles
Asked if they have ever found inaccurate medical entries on Wikipedia, 1324 (97%) students affirmed this. Of those, 861 (65%) students did not know how to revise articles and 199 (15%) let the false information unaltered, despite knowing how to correct articles. In contrast, 159 (12%) corrected errors immediately and 66 (5%) of the respondents drew attention to the inaccurate information in any other way. Regarding the students that do not revise respectively do not know how to revise articles, 55% were in clinics and 51% were male. In concerns of correcting erroneous entries, 44% were in clinics and 47% were male (Table 4).
Pearson Chi-square test showed a statistically significant correlation between handling inaccurate information and gender (p < 0.001), use of Wikipedia in general (p < 0.001), and in medical studies (p < 0.001). There was no statistical significance related to age (p = 0.680) or study progress (p = 0.334).
Nonparametric analysis using the Jonckheere-Terpstra-Test showed a positive trend between handling false entries and gender (p < 0.001). A negative trend was noted between frequency of use in general and correcting erroneous entries (p < 0.001). There was also a statistically significant trend between frequency of use in medical studies and the correction of false information (p < 0.001).
Without a doubt, Wikipedia is one of the most dominant online reference sources, gaining in presence, quality, and content [3] - also for retrieving health information [10,12,13]. Not only the lay public but health professionals, researchers, and medical students depend on it as a resource for medical information [7]. Studies show that 50–70% practicing and 70% junior physicians use Wikipedia as a medical information source [7]. In medical education, Wikipedia’s potential role is that of a vast learning resource. As we could demonstrate, the site is used by the majority of the surveyed students in context of their academic education. A strong correlation between searching for general and medical entries could be disclosed. However, its use by the majority does not necessarily confirm its reliability. The medical use of Wikipedia seems to increase in frequency with the respondents’ study progress. It could serve well to enhance the students’ information seeking and sharing behaviour in correlation to the stage of their medical education.