title: [Stability of beta-HCG in old blood stains].
abstract: Pregnancy was diagnosed from old blood stains by means of radioimmunoassay of beta-HCG. Up to 45 days, the age of the blood stains did not influence values, and extraction by ultrasound did not improve the results.
mesh_terms: D000293:Adolescent; D000328:Adult; D001801:Blood Stains; D006063:Chorionic Gonadotropin / Q000032:analysis*; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011863:Radioimmunoassay; D013997:Time Factors
chemical_list: D006063:Chorionic Gonadotropin
vernacular_title: Untersuchungen zur Stabilität des beta-HCG in gealterten Blutspuren.