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izotopy
SYS d007554 LBL 00000cx--j2200000---45-- 005 20240119201147.2 100 $a 19990101asloy0103----ba0 152 $b mesh 250 $a izotopy $x AD $x AE $x AG $x AI $x AN $x BL $x CF $x CH $x CL $x CS $x EC $x HI $x IM $x IP $x ME $x PD $x PK $x PO $x RE $x SD $x ST $x TO $x TU $x UR $8 slo 300 1-
$a 74; was see under RADIOISOTOPES 1963-73 $8 eng 330 1-
$a Atomic species differing in mass number but having the same atomic number. (Grant & Hackh's Chemical Dictionary, 5th ed) $8 eng 450 $a Isotope $5 e $8 eng 450 $a izotop $5 e $8 slo 550 $3 sllk_un_auth*d004602 $Y Elements $5 B $a prvky 550 $3 sllk_un_auth*d011868 $Y Radioisotopes $5 F $a rádioizotopy 550 $3 sllk_un_auth*d011868 $Y Radioisotopes $5 B $a rádioizotopy 686 $a D01.496 750 $a Isotopes $8 eng 801 -0
$a US $b DNLM $c 19990101 801 -2
$a SK $b BA006 $c 20070706 801 -2
$a SK $b BA006 $c 20210707 820 $a for stable isotopes only; general or unspecified; prefer specifics; m for metastable equals RADIOISOTOPES or specific pre-coordinated radioisotope $8 eng 980 $x M
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