1. Analysis of birth weight, gestational age, and fetal viability, US births, 1968;Hoffman, H.J.; ChR, Stark; Lundin, F.E.; Ashbrook, J.P.;Obstet Gynecol Surv,1974
2. Effect of socioeconomic status and race on weight-defined and gestational prematurity in the United States;Garn, S.M.; Shaw, H.A.; McCabe, K.D.,1977
3. Statistical tables for biological, agricultural and medical research;Fisher, D.; Yates, F.
4. D6calage seculaire et puberte;Levy, A.,1980
5. The assessment of fetal growth;Thomson, A.M.; Billewicz, W.Z.; Hytten, S.E.;Journal of Obstetrics and Gynaecology of the British Commonwealth,1968