GESELL, A Tonic-neck-reflex and symmetro-tonic behavior; developmental and clinical aspects. [electronic resource] - The Journal of pediatrics Feb 1950 - 165-76, illust p. digital Publication Type: Journal Article ISSN: 0022-3476 Standard No.: 10.1016/s0022-3476(50)80202-0 doi Subjects--Topical Terms: HumansPostureReflex