That said, I don't know of a more recent systematic review of Lesson Study, so there is a danger that those last two are cherry - picked. (tdtrust.org)
A recent systematic review identified early environmental risk factors for childhood AD to be maternal prenatal psychological distress, including depression, anxiety and stress [12]. (aacijournal.biomedcentral.com)
His blog draws on over 30 systematic reviews with meta - analyses, to bring you a handy summary of what works. (plu.mx)