TY - BOOK AU - Kramer Michael S. TI - Clinical epidemiology and biostatistics: a primer for clinical investigators and decision-makers SN - 3540188746 U1 - WA950 PY - 1988/// CY - Berlin PB - Springer-Verlag KW - Epidemiology KW - Epidemiologic Methods KW - Biometry N2 - Biometry, Epidemiologic Methods, Epidemiology ER -