TY - BOOK AU - Julious,Steven A. TI - Sample sizes for clinical trials SN - 9781584887409 (ebook : PDF) PY - 2010/// CY - Boca Raton PB - CRC Press/Taylor & Francis KW - Clinical trials KW - Statistical methods KW - Sampling (Statistics) N1 - Includes bibliographical references and index UR - http://marc.crcnetbase.com/isbn/9781584887409 ER -