TY  - RPRT
TI  - Mongolism and maternal menarche.
AU  - J M Berg
AU  - J T Bavin
PY  - 1969
DO  - 10.1136/jmg.6.2.135
UR  - https://pubmed.ncbi.nlm.nih.gov/4240720/
ID  - 4240720
ER  -