title: Maria: stubborn, willful, and always full of energy.
authors.affiliation: Department of Pediatrics, University of San Diego, La Jolla, California, USA.
authors.forename: M T
authors.initials: MT
authors.lastname: Stein
authors.forename: A
authors.initials: A
authors.lastname: Graziano
authors.forename: B
authors.initials: B
authors.lastname: Howard
authors.forename: H
authors.initials: H
authors.lastname: Dubowitz
mesh_terms: D002653:Child Behavior Disorders / Q000175:diagnosis* / Q000523:psychology; D002675:Child, Preschool; D005260:Female; D006801:Humans; D009034:Mother-Child Relations; D009043:Motor Activity; D010552:Personality Assessment; D010553:Personality Development; D015406:Single Parent / Q000523:psychology; D013694:Temperament