Reference
- Holinger P. H., Johnston K. C., Conner G. E., Conner B. R., Holper J. C. Studies of papilloma of the larynx. Ann. Otol. 1962; 71: 443
- Shipkowitz N. L., Holper J. C., Worlabd M. C., Holinger P. H. Evaluation of an autogenous laryngeal papilloma vaccine. Laryngoscope 1967; 77: 1047