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.