A referral can be from a physician.Logical formLearned from18 sentences. Persons may undergo referrals.Logical formLearned from18 sentences. A person may make a referral.Logical formLearned from18 sentences. A referral can be from a primary-care physician.Logical formLearned from18 sentences. A (child care resource and referral network) may pertain-to a us-state.Logical formLearned from18 sentences. Referral can be to an agency.Logical formLearned from18 sentences. A referral can be to a center.Logical formLearned from18 sentences. A referral can be to a court.Logical formLearned from18 sentences. A (referral hospital) may pertain-to a country.Logical formLearned from17 sentences. A (referral system) can be effective.Logical formLearned from17 sentences. (Referral fees) may undergo a payment.Logical formLearned from17 sentences. A referral can be from a physician.Logical formLearned from17 sentences. Powers may undergo a referral.Logical formLearned from17 sentences. Referrals can be a best way.Logical formLearned from17 sentences. A person may act as (referral agents).Logical formLearned from17 sentences.