1. Tumors of the extra-adrenal paraganglion system (including chemoreceptors);Glenner,1974
2. Paragangliomas of the head and neck region;Lack;Cancer,1977
3. Carotid body tumors: A 40-year study;Farr;CA,1980
4. Carotid body tumors;Grabowski;Am Surg,1983