TY - JOUR AU - Sanda, S; Newfield, R S TI - A child with pericardial effusion and cardiac tamponade due to previously unrecognized hypothyroidism JO - J Natl Med Assoc. VL - 99 PY - 2007 L3 - PubMed-ID: 18229779 SP - 1411 EP - 1413 ER -