Sven Cnattingius, Bengt Haglund, Michael S Kramer
Cnattingius S, Haglund B, Kramer M S.
Differences in late fetal death rates in association with determinants of small for gestational age fetuses: population based cohort study
BMJ 1998; 316 :1483
doi:10.1136/bmj.316.7143.1483