共 50 条
[37]
TECHNIQUE FOR DIRECT COUNTING OF CARBON-14 OR TRITIUM IN BIOLOGICAL-FLUIDS
[J].
REVUE EUROPEENNE D ETUDES CLINIQUES ET BIOLOGIQUE,
1972, 17 (07)
:715-&
[38]
USE OF CARBON-14 AS A SECONDARY COUNTING STANDARD FOR SULPHUR-35
[J].
INTERNATIONAL JOURNAL OF APPLIED RADIATION AND ISOTOPES,
1971, 22 (01)
:41-&