00330nam a2200097Ia 4500008004100000245004800041245006800089260000900157650001800166856004800184171204s9999    xx            000 0 und d  aBiostatistics in Public Health Using STATA:  cCynthia M. Pérez, Erick L. Suárez, and Graciela M. Nogueras  c2016  xBiostatistics  uhttp://down.ebook777.com/044/1498721990.pdf