 | Emergency Vector Control after Natural Disaster - A Study Guide (Pan American Health Organization (PAHO) / Organización Panamericana de la Salud (OPS), 1982, 98 p.) |
 |  | Lesson 12 - Epidemiology and vector control |
|
|
|
|
| Emergency Vector Control after Natural Disaster - A Study Guide (Pan American Health Organization (PAHO) / Organización Panamericana de la Salud (OPS), 1982, 98 p.) |
| | Lesson 12 - Epidemiology and vector control |
|
|
|
|
|