1. Developmental sequence in small groups;Tuckman;Psychol Bull,1965
2. Stages of small group development;Tuckman;Group and Organizational Studies,1977
3. A model to guide hospice palliative care;Ferris,2002
4. Approaching death: improving care at the end of life,1997
5. The Education for Physicians on End-of-Life Care (EPEC) curriculum;Emanuel,1999