Group dental practice in the United States, 1971 : a survey /
by Louise S. Brusseau, Ferris M. Hoggard [and] Jerry L. Gribble
- Washington, D.C. : United States Governmet Printing Office, 1972
- vi, 55 p. : maps. ; 27 cm.
- DHEW publication ; no. (NIH) 72-189 .