<ol class="journal" style="margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-left: 20px; border-radius: 0px !important;"><li style="margin: 0px; padding-left: 5px; border-radius: 0px !important;">C S Pietersma, A G M G J Mulders, A Sabanovic, S P Willemsen, M S Jansen, E A P Steegers, R P M Steegers-Theunissen, M Rousian.&nbsp;<strong style="border-radius: 0px !important;">The impact of maternal smoking on embryonic morphological development: the Rotterdam Periconception Cohort</strong>.&nbsp;<em style="border-radius: 0px !important;">Human Reproduction</em>, 2022; DOI:&nbsp;<a href="http://dx.doi.org/10.1093/humrep/deac018" rel="nofollow" target="_blank" style="color: rgb(0, 66, 118); border-radius: 0px !important;">10.1093/humrep/deac018</a></li></ol>