TY - BOOK AU - Mahajan, B K. TI - Methods in biostatistics: : for medical students and research workers SN - 817179520X U1 - 570.15195 6 PY - 2006/// CY - New Delhi PB - Jaypee Brothers KW - Sources and presentation of data KW - Measures of location averages and percentiles KW - Measures of population and vital statistics ER -