From: Global methaemoglobinaemia research output (1940–2013): a bibliometric analysis
Year of publication | Total n = 1770 (%) |
---|---|
1940–1949 | 29 (1.8) |
1950–1959 | 98 (5.4) |
1960–1969 | 218 (12.3) |
1970–1979 | 246 (13.9) |
1980–1989 | 276 (15.6) |
1990–1999 | 315 (17.8) |
2000–2009 | 389 (22.0) |
2010–2013 | 199 (11.2) |