External Link
https://onlinelibrary.wiley.com/doi/10.1002/ima.70131?fbclid=PAQ0xDSwKvhWJleHRuA2FlbQIxMQABp6lGMm3ONzA9ncDRLgDeZsUDtyyzt5VO-CKHeupAbbY049dZ1gc7RfihcUU0_aem_CIkqHuOyacSEJO7bOQ0ZQw
Mahidol University Faculty of Medicine Ramathibodi Hospital
Department of Clinical Epidemiology and Biostatistics