PT - JOURNAL ARTICLE AU - Rie Chida AU - Kazuki Iio AU - Yu Ishida AU - Gaku Yamanaka TI - Neonatal frequent premature ventricular contraction AID - 10.1136/bcr-2023-254837 DP - 2023 Feb 01 TA - BMJ Case Reports PG - e254837 VI - 16 IP - 2 4099 - http://casereports.bmj.com/content/16/2/e254837.short 4100 - http://casereports.bmj.com/content/16/2/e254837.full SO - BMJ Case Reports2023 Feb 01; 16