[DETERMINATION OF SEX CHROMATIN IN THE CELLS OF THE UMBILICAL CORD].
D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D006652:Histological Techniques; D006653:Histology; D006801:Humans; D012728:Sex Chromatin; D014470:Umbilical Cord
CHROMOSOME ABNORMALITIES; HISTOLOGY; SEX CHROMATIN; UMBILICAL CORD
DETERMINACI'ON DE LA CROMATINA SEXUAL EN C'ELULAS DEL CORD'ON UMBILICAL.