Collin. How to conduct a foot-washing service. Ken Collin's Web Site. [2011-10-28]. (原始内容存档于2011-11-03) (英语). Foot-washing ceremony (Room E). Hofburg Wien
[2010-05-26]. (原始内容存档于2004-05-05). Branson accuses 'sad' Government of washing its hands of Concorde. Western Mail. 2003-10-24 [2010-05-26]. (原始内容存档于2013-05-16)
精子清洗(英語:sperm washing)是指 將精子從精液中抽取出來。這是人工授精、體外人工受精涉及到的基本步驟,主要原因為: 不孕 減低艾滋病由父親傳給下一代的風險 Steve Graff. How HIV Positive Men Safely Become Fathers. Penn Medicine