000 00498nam a2200169 a 4500
005 20250913120000.0
008 981208s1991 xxx 000 0 eng
020 _cRM230.00
039 9 _a200807101607
_badnan
_y08-18-1999
_zload
245 0 0 _aDemonstraction PCR videos
_h[videorecording]
260 _a(s.l.) :
_b(s.n.),
_c1991
907 _a.b10520120
_b2019-11-12
_c2019-11-12
942 _c8
_n0
914 _avtls000054143
998 _at
_b1999-05-08
_cm
_da
_feng
_g
_y0
_z.b10520120
999 _c53947
_d53947