PT - JOURNAL ARTICLE AU - Powell, C.C. TI - Tree Health From Top to Bottom AID - 10.48044/jauf.1985.029 DP - 1985 May 01 TA - Arboriculture & Urban Forestry (AUF) PG - 129--131 VI - 11 IP - 5 4099 - http://auf.isa-arbor.com/content/11/5/129.short 4100 - http://auf.isa-arbor.com/content/11/5/129.full SO - JOA1985 May 01; 11