TY - GEN AU - Senn,C L TI - Why active membership in the American Public Health Association is important to sanitarians, engineers, and environmental health scientists SN - 0002-9572 PY - 1966///0210 KW - Environmental Health KW - Public Health KW - Sanitary Engineering KW - Societies, Medical KW - United States N1 - Publication Type: Journal Article UR - https://doi.org/10.2105/ajph.55.11.1830 ER -