Digra, Sanjeev KumarSingh, VirenderNomani, ShirinKaul, Varun2012-10-302012-10-302010-06Digra Sanjeev Kumar, Singh Virender, Nomani Shirin, Kaul Varun. Ingested pebbles causing abdominal radio-opaque shadows. Indian Journal of Pediatrics. 2010 June; 77(6): 710.http://imsear.searo.who.int/handle/123456789/142622enIngested pebbles causing abdominal radio-opaque shadows.Article