A statistical method for comparison of mass treatments of a multistage disease (trachoma).
D004534:Egypt; D006801:Humans; D009824:Ointments; D010118:Oxytetracycline / Q000008:administration & dosage*; D013426:Sulfaphenazole / Q000008:administration & dosage*; D014141:Trachoma / Q000188:drug therapy*
D009824:Ointments; D013426:Sulfaphenazole; D010118:Oxytetracycline