RT Journal Article SR Electronic T1 Simultaneous decrease of telomere length and telomerase activity with ageing of human amniotic fluid cells JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 494 OP 496 DO 10.1136/jmg.36.6.494 VO 36 IS 6 A1 ALEJANDRO MOSQUERA A1 JOSÉ LUIS FERNÁNDEZ A1 ASUNCIÓN CAMPOS A1 VICENTE J GOYANES A1 JOSÉ RAMIRO-DÍAZ A1 JAIME GOSÁLVEZ YR 1999 UL http://jmg.bmj.com/content/36/6/494.abstract AB