000			01099 a2200325 4500
005			20250511130735.0
264		0	_c19790221
008			197902s 0 0 eng d
022			_a0300-0893
040			_aNLM _beng _cNLM
100	1		_aGehan, E A
245	0	0	_aComparative clinical trials with historical controls: a statistician's view. _h[electronic resource]
260			_bBiomedicine / [publiee pour l'A.A.I.C.I.G.] _cSep 1978
300			_a13-9 p. _bdigital
500			_aPublication Type: Clinical Trial; Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S.
650	0	4	_aAdult
650	0	4	_aBone Neoplasms _xtherapy
650	0	4	_aBreast Neoplasms _xtherapy
650	0	4	_aClinical Trials as Topic
650	0	4	_aEthics, Medical
650	0	4	_aFemale
650	0	4	_aHumans
650	0	4	_aNeoplasms _xtherapy
650	0	4	_aOsteosarcoma _xtherapy
650	0	4	_aPrognosis
650	0	4	_aRandom Allocation
650	0	4	_aResearch Design
650	0	4	_aStatistics as Topic
773	0		_tBiomedicine / [publiee pour l'A.A.I.C.I.G.] _gvol. 28 Spec No _gp. 13-9
999			_c385330 _d385330