P59 Do the risks of preterm birth and socioeconomic status accumulate? A systematic review of interaction and effect modification
Philip McHale, Katie Fahy, Andy Pennington, Daniela Schlüter, Ben Barr, Shantini Paranjothy, David Taylor-Robinson
J Epidemiol Community Health Sep 2021, 75 (Suppl 1) A68-A69; DOI: 10.1136/jech-2021-SSMabstracts.147
