An efficacy may pertain-to resources.Logical formLearned from3 sentences. An efficacy may pertain-to weapons.Logical formLearned from3 sentences. Studies may provide evidence of efficacy.Logical formLearned from3 sentences. An estimate may pertain-to an efficacy.Logical formLearned from3 sentences. An efficacy may pertain-to drugs.Logical formLearned from3 sentences. Doubts can be about an efficacy of zonal markings.Logical formLearned from3 sentences. An efficacy may pertain-to zonal markings.Logical formLearned from3 sentences. Boycotts may limit efficacy.Logical formLearned from3 sentences. An efficacy can be in preventing infections.Logical formLearned from3 sentences. An efficacy can be in aphrodisiacs.Logical formLearned from3 sentences. Efficacy may pertain-to groups.Logical formLearned from3 sentences. Claims can be about an efficacy.Logical formLearned from3 sentences. An exception may call an efficacy of (dispute resolution procedures).Logical formLearned from3 sentences. Efficacy may take a time.Logical formLearned from3 sentences. A glimmer can be constituted-of-or-filled-with efficacy.Logical formLearned from3 sentences.