TY - RPRT TI - Practical and ethical challenges to paired exchange programs. AU - Lainie Friedman Ross AU - Stefanos Zenios PY - 2004 DO - 10.1111/j.1600-6143.2004.00574.x UR - https://pubmed.ncbi.nlm.nih.gov/15367208/ ID - 15367208 ER -