N J Meadows, J Till, A Leaf, E Hughes, B Jani, V Larcher et al
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Screening for intrauterine growth retardation using ratio of mid-arm circumference to occipitofrontal circumference.
Br Med J (Clin Res Ed) 1986; 292 :1039
doi:10.1136/bmj.292.6527.1039