1. Wald ER. Mastoiditis. Principles and practice of pediatric infectious diseases. 4th ed. In: Long SS, Pickering LK, Prober CG, editors. Edinburgh: Elsevier Churchill Livingstone, 2012; p. 222–227.
2. Chadwick EG, Thomson RB. Nocardia species. Principles and practice of pediatric infectious diseases. 46 ed. In: Long SS, Pickering LK, Prober CG, editors. Edinburgh: Elsevier Churchill Livingstone, 2012; p. 792–795.
3. Patil SR Nadkarni NJ, Sharma NR. Nocardiosis: clinical and pathological aspects, histopathology - reviews and recent advances. Intech Open Science [homepage on the Internet]. c2014. Available from: http://www.intechopen.com/books/histopathology-reviews-and-recent-advances/nocardiosis-clinical-and-pathological-aspects.
4. Filice GA. Treatment of nocardiosis. Lancet. 1987;329(8544)1261–1262.