TY  - BOOK
AU  - O'Connor SJ
AU  - Verma H
AU  - Grubnic S
AU  - Rayner CF
TI  - Chest radiographs in pregnancy. BMJ. 2009 Oct 9;339:b4057. doi: 10.1136/bmj.b4057
PY  - 2009///
N1  - Monograph
ER  -