Mentoring: A Typology of Costs for Higher Education FacultyLunsford, L. G., Baker, V., Griffin, K. A., & Johnson, B. W. (2013). Mentoring: A typology of costs for higher education faculty. Mentoring & Tutoring: Partnership in Learning, 21(2), 126-149.
The authors use an extensive review of studies to explore potential negative psycho-social and career costs to both mentors and mentees. Although this focuses on grad students, much could apply to mentoring undergrads. Provides food for thought in how mentorship programs might be designed to mitigate potential harm.