बियो सारासनस्रायै द्राघिमा हांखो राहाफोरखौ नांगौ , नाथाय गोसै फिसा बिदिन्थिफोरनि सुजुगा दि ओंथिगोनां फिथायफोर होनो हायो ।
This naturally requires longitudinal measures but the advantage is that quite small samples can give meaningful results .