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001 | 000219261 | ||
005 | 20090922145409.0 | ||
008 | 090731 ||||| und | ||
035 | |a 9236295 | ||
040 | |a Sistema de Bibliotecas de la Universidad de Costa Rica | ||
082 | 0 | |a 570.151.95 |b K27e |2 22 | |
245 | 1 | 0 | |a Incidence-prevalence relationships / |c Niels Keiding |
773 | 0 | |7 nnam |t Eight contributions to encyclopedia of biostatistics | |
912 | |a 22-SEP-2009 - SALAZAR ALVAREZ, CLAUDIO | ||
917 | |a 31-JUL-2009 - ALVARADO MONGE, KATTIA YENORY |