S2CID 207503049. doi:10.1007/s40618-014-0186-2. Kristen Eckstrand; Jesse M. Ehrenfeld. Lesbian, Gay, Bisexual, and Transgender Healthcare: A Clinical Guide
evaluation of an old but untested paradigm. Oikos 82: 425-439. Joan G. Ehrenfeld, Ecosystem Consequences of Biological Invasions, Annual Review of Ecology