D P Davies, S F Leung, L Lo, S Lui
Davies D P, Leung S F, Lo L, Lui S.
Screening for intrauterine growth retardation using ratio of mid-arm circumference to occipitofrontal circumference
Br Med J (Clin Res Ed) 1986; 292 :1526
doi:10.1136/bmj.292.6534.1526