bibliographic entry 5181901 [be/5181901]
https://w3id.org/oc/corpus/be/5181901

is a

• bibliographic reference

content

• Ulm B Ulm M R Bernaschek G Unfused amnion and chorion after 14 weeks of gestation: associated fetal structural and chromosomal abnormalities Ultrasound Obstet Gynecol 1999 13 6 392 395 PMID: 10423801

references

• https://w3id.org/oc/corpus/br/4668056