Cite
MLA Citation
Harpreet S Chahal et al.. “Physical Exertion Immediately Prior to Placental Abruption: A Case-Crossover Study.” American journal of epidemiology, vol. 187, no. 10, 2018, pp. 2073–2079. http://access.bl.uk/ark:/81055/vdc_100095510462.0x00005e