Zelen may refer to:
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Ljiljana Zelen Karadžić Ljiljana (Cyrillic script: Љиљана) is a feminine given name. It may refer to:
*Ljiljana Aranđelović (born 1963), Serbian politician and former presidential candidate in the Serbian presidential election, 2004
* Ljiljana Blagojević (born 19 ...
(born 1945), the wife of the former Bosnian Serb leader Radovan Karadžić
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Marvin Zelen
Marvin Zelen (June 21, 1927 – November 15, 2014) was Professor Emeritus of Biostatistics in the Department of Biostatistics at the Harvard T.H. Chan School of Public Health (HSPH), and Lemuel Shattuck Research Professor of Statistical Science ( ...
, statistician
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Zelen's design
Zelen's design is an experimental design for randomized clinical trials proposed by Harvard School of Public Health statistician Marvin Zelen (1927-2014). In this design, patients are randomized to either the treatment or control group before givin ...
, experimental design for randomized clinical trials proposed by statistician Marvin Zelen
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