المؤلفون: Selvin, Steve, author
المصدر: Statistical Analysis of Epidemiologic Data, 2004, ill.
الإتاحة: https://doi.org/10.1093/acprof:oso/9780195172805.003.13Test
الإتاحة: https://doi.org/10.1093/acprof:oso/9780195172805.003.12Test