[A new marker in oncology. Assay of gangliosides bound to sialic acid]. / Un nouveau marqueur en cancérologie. Le dosage des gangliosides liés à l'acide sialique.

Gangliosides are released from cells proliferating in serum and can be assayed by a LASA method. The authors report the assay method for sialic acid bound exclusively to glycosphingolipids (GASA method). They study the reliability and discuss the preliminary factors concerning this upper respiratory tract squamous cell marker.