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Table 7 Top 15 Web of Science Categories in pneumonia research (2001–2015)

From: A snapshot of pneumonia research activity and collaboration patterns (2001–2015): a global bibliometric analysis

  2001–2015 2001–2005 2006–2010 2011–2015
WoS Category N % N % N % N %
Infectious Diseases 3987 17.57 957 17.51 1374 18.50 1656 16.89
Respiratory System 3579 15.77 989 18.10 1192 16.05 1398 14.26
Immunology 3195 14.08 799 14.62 1143 15.39 1253 12.78
Microbiology 2690 11.85 725 13.27 899 12.10 1066 10.88
Critical Care Medicine 2101 9.26 584 10.69 742 9.99 775 7.91
Medicine, General & Internal 2038 8.98 569 10.41 622 8.37 847 8.64
Pharmacology & Pharmacy 1664 7.33 382 6.99 526 7.08 756 7.71
Pediatrics 1574 6.94 437 8.00 565 7.61 572 5.84
Surgery 1091 4.81 270 4.94 387 5.21 434 4.43
Public, Environmental & Occupational Health 962 4.24 187 3.42 330 4.44 445 4.54
Veterinary Sciences 879 3.87 273 5.00 268 3.61 338 3.45
Medicine, Research & Experimental 714 3.15 149 2.73 223 3.00 342 3.49
Biochemistry & Molecular Biology 661 2.91 143 2.62 194 2.61 324 3.31
Cell Biology 602 2.65 150 2.74 170 2.29 282 2.88
Multidisciplinary Sciences 576 2.54 7 0.13 65 0.88 504 5.14