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  1968. US Department of Health : Physical trauma as an etiological agent in mental retardation.
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  1968. Dr R.CALDEYRO-BARCIA, O.ALTHABE, G.ARAMBURU : Obstetrical factors influencing intrapartum compression of the fetal head and the incidence of Dips 1 in fetal heart rate.
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  1968. Pr L.WILLERMAN : Fetal head position during delivery, and intelligence.
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  1968. Dr A-L.ROSENBAUM : Neuropsychologic outcome of children born via the occiput posterior position.
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  1968. Dr P.YAKOVLEV, R-K.ROSALES : Distribution of the terminal hemorrhages in the brain wall in stillborn.