TY  - BOOK
ED  - United States.
TI  - Enviromental health: Community Health Nursing
AV  - RA565 .U6 2004
PY  - 1961///?]
CY  - Washington
KW  - Sanitation
KW  - Public health
KW  - United States
N1  - I11. Series: [United State] Public Health Service. Publication no. 823
ER  -