Cita APA

Keiding, N., & Keiding, N. (1993). Delayed entry, the prevalent cohort study and survival synthesis. Denmark: Universidad of Copenhagen, Statistical Research Unit..

Citación estilo Chicago

Keiding, Niels, y Niels Keiding. Delayed Entry, the Prevalent Cohort Study and Survival Synthesis. Denmark: Universidad of Copenhagen, Statistical Research Unit., 1993.

Cita MLA

Keiding, Niels, y Niels Keiding. Delayed Entry, the Prevalent Cohort Study and Survival Synthesis. Denmark: Universidad of Copenhagen, Statistical Research Unit., 1993.