3Akdemir R, Gunduz H, Erbilen E, et al. Recurrent pericardial effusion due to retained eardiae pellets: a ease report and review of the literature [J]. Heart Vessels, 2003, 18 (1) : 57-59.
4Baskurt M, Kocas C, Ersanli Ersanli MK, et al. Retained perieardial pellets for 25 years: a ease report [ J ]. Turk Kardiyol Dem Am, 2010, 38 (6) : 426-428.