{Reference Type}: Letter
{Title}: Response: Multiple births as a mediator than a confounder in ART research.
{Author}: Magnus MC;Opdahl S;
{Journal}: Paediatr Perinat Epidemiol
{Volume}: 38
{Issue}: 5
{Year}: 2024 Jul 1
{Factor}: 3.103
{DOI}: 10.1111/ppe.13085