TY  - RPRT
TI  - Prenatal ages and stages-measures and errors.
AU  - R O'Rahilly
AU  - F Müller
PY  - 2000
DO  - 10.1002/(sici)1096-9926(200005)61:5<382::aid-tera10>3.0.co;2-5
UR  - https://pubmed.ncbi.nlm.nih.gov/10777834/
ID  - 10777834
ER  -