A service may pertain-to a physician.Logical formLearned from7 sentences. (Physician referrals) can be to (specialty hospitals).Logical formLearned from7 sentences. A letter can be from a personal physician.Logical formLearned from7 sentences. A physician may be employed.Logical formLearned from7 sentences. Physicians may undergo a payment.Logical formLearned from7 sentences. A physician can be available.Logical formLearned from7 sentences. Changes can be in (physician behavior).Logical formLearned from7 sentences. Trust can be in a physician.Logical formLearned from7 sentences. A survey of physicians may reveal that something-is-the-case.Logical formLearned from7 sentences. Respect can be to a physician.Logical formLearned from7 sentences. A concern may pertain-to a physician.Logical formLearned from7 sentences. Profiles may pertain-to physicians.Logical formLearned from7 sentences. A sample can be constituted-of-or-filled-with some physicians.Logical formLearned from7 sentences. Estimates may pertain-to physicians.Logical formLearned from7 sentences. A physician can be selected.Logical formLearned from7 sentences.