1. The erythrocyte sedimentation rate in the newborn period;Alder, S.M.; Denton, R.L.;J Paediatr,1975
2. Polystyrene ESR tubes;England, N.W.J.; Warren, D.E.; Rycroft, S.;J Clin Pathol,1978
3. Westergren tube for measurement of erythrocyte sedimentation rate;British Standards Institution,1968
4. hematocrit and red blood cell count in 'capillary' (skin prick) blood compared to venous blood in children;Hemoglobin, Moe P.J.;Acta Paediair Scand,1970