National healthlines directory :
toll-free numbers.

APA Citation

Marinos, L., Herner and Company. (1992). National healthlines directory: toll-free numbers. Arlington, Va.: Information Resources Press.

MLA Citation

Marinos, Louanne, and Herner and Company. National Healthlines Directory: Toll-free Numbers. Arlington, Va.: Information Resources Press, 1992.

Warning: These citations may not always be complete (especially for serials).