1. The system of professions - a study of the division of expert labour;Abbott,1988
2. An empirical test of a new theory of human needs;Alderfer;Organizational Behavior & Human Performance,1969
3. Nothing out of the ordinary: Advanced fertility nursing practice;Allan;Human Fertility,2004
4. Emotional boundary work in advanced fertility nursing roles;Allan;Nursing Ethics,2005
5. The nursing-medical boundary: A negotiated order?;Allen;Sociology of Health & Illness,1997