1. Pertussis—United States, January 1992–June 1995;Centers for Disease Control and Prevention;MMWR Morbid Mortal Wkly Rep,1995
2. Pertussis;Katz,1985
3. Pertussis deaths: report of 23 cases in the United States, 1992–1993;Wortis;Pediatrics,1996
4. Complete ophthalmoplegia externa with blindness of acute onset;Batten;BMJ,1903