ORIGINAL ARTICLE TRANSABDOMINAL CHORIONIC VILLUS SAMPLING


    A co-axial chorion biopsy needle set (Luer Lock) 18G x 165 mm outer needle and 20G x 200 mm inner needle (Rocket, UK) was used (Figure 1). The inner needle can be passed freely through the outer needle when the stillet of the latter is removed leaving about 30mm of the inner needle to protrude ORIGINAL ARTICLE


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