Ishizawa, Toshiyuki, et al. “Dermatomyositis Associated With Testicular Tumour With Elevation of Serum Lactate Dehydrogenase (LDH) Isoenzyme-1”. Acta Dermato-Venereologica, vol. 79, no. 2, Mar. 1999, p. 167, doi:10.1080/000155599750011499.