000 00512nam a2200193Ia 4500
008 140601s1993 xx 000 0 und d
020 _a0412474700
041 _aeng.
060 _aW 20.5: N93H: COL
100 _aColquhoun D
245 _aHealth research in practice: Political, ethical and methodological issues.
260 _aLondon
_bChapman & Hall,
_c1993
300 _a189p.
365 _e
650 _aPublic Health-methods
650 _aResearch
700 _aKellehear A eds.
942 _2nlm
_cBK
999 _c1032
_d1032