TY - GEN AU - Schaeffer,D J TI - Diagnosing ecosystem health SN - 0147-6513 PY - 1997///0206 KW - Diagnosis KW - Ecosystem KW - Guidelines as Topic KW - Humans KW - Models, Statistical KW - Public Health KW - trends KW - United States KW - United States Environmental Protection Agency N1 - Publication Type: Journal Article; Review UR - https://doi.org/10.1006/eesa.1996.0041 ER -