6 Diniz Diniz NLF NLF Parlato-Oliveira Parlato-Oliveira E E Pimenta Pimenta PGA PGA Araújo Araújo LA de LA de Valadares Valadares ER ER Autism and Down syndrome: early identification and diagnosis Autism and Down syndrome: early identification and diagnosis Arquivos de Neuro-Psiquiatria Arquivos de Neuro-Psiquiatria 2022 2022 80 80 6 6 620 620 630 630 10.1590/0004-282X-ANP-2021-0156 10.1590/0004-282X-ANP-2021-0156 35946706 35946706. This evidence concerns the gene NPPA and autism.