000 00593 a2200217 4500
005 20250511223646.0
264 0 _c19911105
008 199111s 0 0 spa d
022 _a0025-7680
040 _aNLM
_beng
_cNLM
100 1 _aAgrest, A
245 0 0 _a[Problems in clinical investigation].
_h[electronic resource]
260 _bMedicina
_c1990
300 _a557-62 p.
_bdigital
500 _aPublication Type: Journal Article
650 0 4 _aArgentina
650 0 4 _aHumans
650 0 4 _aResearch
650 0 4 _aSocieties
773 0 _tMedicina
_gvol. 50
_gno. 6
_gp. 557-62
999 _c2136395
_d2136395