RT Journal Article SR Electronic T1 Coin, Earring, and Battery Ingestions JF AAP Grand Rounds JO AAP Grand Rounds FD American Academy of Pediatrics SP 7 OP 7 DO 10.1542/gr.42-1-7 VO 42 IS 1 YR 2019 UL http://aapgrandrounds.aappublications.org/content/42/1/7.abstract AB