RT Journal Article SR Electronic T1 Prenatal Ultrasound and the Risk of Autism: An Unanswered Question JF AAP Grand Rounds JO AAP Grand Rounds FD American Academy of Pediatrics SP 54 OP 54 DO 10.1542/gr.39-5-54 VO 39 IS 5 YR 2018 UL http://aapgrandrounds.aappublications.org/content/39/5/54.abstract AB