गावनि " तिउमारफोरनि अन्जिमालेथायारि नायबिजिरनाय' आयदायाव उइलिसआ जरहोयोदि , मोनसे सुबुंअनजिमायाव केन्साराव थैनायफोरनि थोजासेयै गेदेर फारिफोरनि बैसो राननाया सरासनस्रा राननायनि मोनसे मोजां आदरसबादि खेंख्राहांखो जगायो ।
In his chapter on the Statistical study of tumours ' Willis emphasizes that the age distribution of a sufficiently large series of cancer deaths in a population provides a smooth ideal curve' of normal distribution .