2nd trimester of gestation
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Prevalence of CD8/CD4 Ratio in the Fetal Thymic Parenchyme in Down’s Syndrome
Demetrio Tamiolakis, Ioannis Venizelos, Athanasia Kotini, Sylva Nikolaidou, Nikolaos Papadopoulos
2003, Vol. 46, Issue 4, pp. 179-182