Behavioural changes in adult rats produced by early postnatal maternal deprivation and treatment with choline chloride Tönjes, R.; Hecht, K.; Brautzsch, M.; Lucius, R.; Dörner, G. Experimental and Clinical Endocrinology 88(2): 151-157 1986 https://eurekamag.com/research/068/584/068584032.php