TY - GEN AU - Fosgate,Geoffrey T TI - Practical sample size calculations for surveillance and diagnostic investigations SN - 1040-6387 PY - 2009///0407 KW - Population Surveillance KW - methods KW - Sample Size N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Review UR - https://doi.org/10.1177/104063870902100102 ER -