Evaluation of aspartate aminotransferase to platelet ratio index and fibrosis 4 scores for hepatic fibrosis assessment compared with transient elastography in chronic hepatitis C p... von Sripongpun, P, Tangkijvanich, P, Chotiyaputta, W, Charatcharoenwitthaya, P, Chaiteerakij, R, Treeprasertsuk, S, Bunchorntavakul, C, Sobhonslidsuk, A, Leerapun, A, Khemnark, S, Poovorawan, K, Siramolpiwat, S, Chirapongsathorn, S, Pan-Ngum, W, Soonthornworasiri, N, Sukeepaisarnjaroen, W, THASL study group