000 00276nam a2200109Ia 4500
008 211209s9999 xx 000 0 und d
020 _a9788120345201.00
041 _aeng
100 _aSUNDAR RAO
245 _aINTRODUCTION TO BIOSTATISTICS AND RESEARCH METHODS
260 _bPHI
999 _c89639
_d89639