000 00276nam a2200097Ia 4500
100 _aCox B G & Cohen S B
245 _aMethodological Issues for Health Care Sureveys Vol 61
260 _bMarcel & Dekker, N'York
082 _aL:4:6:(B2817)/N85.61/B16065
300 _app 446; 24*15
999 _c7159
_d7159