1. Ophthalmology (eye physician and surgeon) manpower studies for the United States, part I;Ophthalmology,1978
2. Ophthalmology manpower studies for the United States (Part II): demand for eye care. A public opinion poll based upon a Gallup poll survey;Ophthalmology,1981
3. Mendenhall RC, et al. Ophthalmology practice study report, contract no. USPHS (HRA) 232-78-0160. University of Southern California School of Medicine, April 1979.
4. Future use and development of eye-care manpower;Worthen;Surv Ophthalrnol,1974
5. Ophthalmologists: still spending more to earn more;Goldberg;Med Econ January,1979