Pesticides (3) Grasshoppers (3) Acrídidos (3) Acrididés (3) Pesticides (3) Niger (3) Causes (2) Assaying (2) Surveys (2) Acetylcholinesterase (2) Value (2) Temperature (2) Spleen (2) Sociology, Rural (2) Middle age (2) International organization (2) Inhibition (2) Erythrocytes (2) Clinics (2) Cholinesterases (2) Chemistry, Analytic--Quantitative (2) Carbamates (2) Average (2) Weight (2) Analysis (2) Sexual behavior (2) Rural conditions (2) Rates (2) Origin (2) Health (2)