000 00341nam a2200145Ia 4500
008 241226s9999 xx 000 0 und d
020 _a0
082 _a616
_bGUP
100 _aGupta Sanjay
245 4 _aThe big book of clinical research
260 _aDelhi :
_b D N A Press,
_c2011.
300 _a230
365 _aNO
650 _aCology
999 _c195892
_d195892