@article{d7450724158b437bb3f26f605b014ced,
title = "Mandibular overdentures retained by two implants: 10-year results from a crossover clinical trial comparing ball-socket and bar-clip attachments.",
author = "M.S. Cune and M. Burgers and \{van Kampen\}, F.M.C. and \{de Putter\}, C. and \{van der Bilt\}, A.",
year = "2010",
language = "Undefined/Unknown",
volume = "23",
pages = "310--317",
journal = "The International Journal of Prosthodontics",
issn = "0893-2174",
publisher = "Quintessence Publishing Co. Inc.",
number = "4",
}