L. Hanna, N. Girgis, A. el Ella, and Z. Farid. Metabolic, Pediatric, and Systemic Ophthalmology (New York, N.Y.: 1985), 11 (4):
160--162(1988)PMID: 3221799.
J. Vázquez, A. Enriquez, L. la Fuente, S. Berrón, and M. Baquero. European Journal of Clinical Microbiology & Infectious Diseases: Official Publication of the European Society of Clinical Microbiology, 15 (2):
181--182(February 1996)PMID: 8801097.