Intended for healthcare professionals

Correspondence

Third trimester placental grading by ultrasonography as a test of fetal wellbeing:

Br Med J (Clin Res Ed) 1987; 295 doi: https://doi.org/10.1136/bmj.295.6596.502-c (Published 22 August 1987) Cite this as: Br Med J (Clin Res Ed) 1987;295:502