000 00505nam a2200217Ia 4500
003 OSt
005 20220912152029.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
024 _a61603
037 _cTextual
082 _aG:78, J2
100 _aMedawar P B
245 0 _aAn unsolved problem of biology
260 _c1952
300 _ap.
_ccm.
650 _aBiology
942 _hG:78, J2
_cTEXL
_2CC
999 _c79402
_d79402