1. Three utilization styles at an urban mental health center;Udell;Hosp Commun Psychiatry,1976
2. Good patients and bad: Therapeutic assets and liabilities;Udell;Arch Gen Psychiatry,1975
3. Open door to help. Mental Hygiene;Udell,1975
4. Presenting Problems and Diagnosis;Udell;Compr Psychiatry,1976
5. Psychiatric services and alcoholics;Hornstra;Mo Med,1973