@misc{indiciae9f696d92d22c, title = {[Sonographically detectable changes in placental structures in pregnancy. 5. Statistical comparison of the frequency distribution of placental stages 0-3 in newborn infants in a pregnancy of less than 37 weeks duration].}, author = {G Lückert and N Domke and G Kamin and F Löffler}, year = {1986}, url = {https://pubmed.ncbi.nlm.nih.gov/3521152/}, note = {Source identifier: 3521152} }