An injection may allow signals.Logical formLearned from3 sentences. Injections can be into a penis.Logical formLearned from3 sentences. An injection may be performed.Logical formLearned from3 sentences. Glycerol may undergo injections.Logical formLearned from3 sentences. Persons may have injections.Logical formLearned from3 sentences. Intramuscular injections can be weekly.Logical formLearned from3 sentences. Anabolic steroids may undergo an injection.Logical formLearned from3 sentences. Injection can be into blastocysts.Logical formLearned from3 sentences. An analog may undergo an injection.Logical formLearned from3 sentences. An injection may undergo a placement.Logical formLearned from3 sentences. A child may receive an injection.Logical formLearned from3 sentences. A female may give injections.Logical formLearned from3 sentences. Potassium may undergo an injection.Logical formLearned from3 sentences. Direct injection can be into a brain.Logical formLearned from3 sentences. (Silver nitrate) may undergo injections.Logical formLearned from3 sentences.