According to Dalrymple at Pajamas Media, a recent paper in the New England Journal of Medicine on Hepatitis C is noteworthy for avoiding any discussion of the causes of the virus:

In the United Kingdom, for example, it is estimated that 90 percent of cases result from intravenous abuse of drugs. Another important risk factor is tattooing, which, alas, is becoming ever more popular among the young. The authors omit altogether what they call “the big picture.”