The core purpose of this paper was to analyze the trend analysis of Pakistan railways from the year 1950 to 2015, using the principal component analysis method and industrial life cycle theory.Industrial life cycle theory, the development trend analysis of Pakistan railway industry, entails Walking Stick four stages: introduction, growth, maturity,
The topographical morphology of the loess landform on the Loess Plateau exhibits remarkable textural features at different spatial scales.However, existing topographic texture analysis studies on the Loess Plateau are usually dominated by statistical characteristics and are missing structural characteristics.At the same time, there is a lack of reg
Background & Aims: In this study we aimed to analyse the impact of the aetiology of cirrhosis on the incidence, characteristics and prognosis of hepatocellular carcinoma (HCC) diagnosed during a surveillance program.Methods: Individual data from a randomized trial and 2 prospective cohorts of patients with compensated histologically proven cirr