Table 9.  Way of administration of DMSO in included studies.
Administration  Number of studies  References
Intravenous  49  [ 7, 16, 18, 23, 25, 26, 33, 34, 36, 39– 41, 46– 48, 51, 53, 54, 56, 59, 61, 62, 65, 68, 70– 74,  77, 80, 81, 84– 87, 90, 91, 94, 98– 102, 104, 110, 115, 117, 118]
Transdermal  48  [ 2, 4, 6, 17, 19– 22, 24, 28– 32, 37, 42, 44, 45, 50, 52, 55, 57, 58, 63, 64, 66, 67, 69, 72, 75, 76, 78, 79,  82– 84, 88, 89, 93, 95, 96, 106– 109, 111– 113]
Intravesical  7  [ 8, 35, 38, 43, 49, 97, 105]
Oral  2  [ 9, 60]
Eye-drops  1  [ 114]
Local injection  1  [ 92]
Intra-articular  1  [ 103]
Rectal  1  [ 116]