000 00302nam a2200109Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aHerdon, G.
245 0 _aStatistics of theropeutic trails
260 _bElsevier Pub. Co.
_aNew York
_c1955
942 _c1
999 _c55759
_d55759