Standard definitions for childhood injury research :
report of NICHD conference, March 20-21, 1989 /
prepared by conference conveners and working group leaders, Katherine Kaufer Christoffel ... [et al.].

APA Citation

Christoffel, K. Kaufer., National Institute of Child Health and Human Development (U.S.). (1992). Standard definitions for childhood injury research: report of NICHD conference, March 20-21, 1989. [Washington, D.C.?]: U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Institute of Child Health and Human Development.

MLA Citation

Christoffel, Katherine Kaufer, and National Institute of Child Health and Human Development (U.S.). Standard Definitions for Childhood Injury Research: Report of NICHD Conference, March 20-21, 1989. [Washington, D.C.?]: U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Institute of Child Health and Human Development, 1992.