TY  - RPRT
TI  - Perinatal outcomes, maternal age, parity and fetal sex - searching for the \"optimal\" maternal age
AU  - Kankova, S.
AU  - Flegr, J.
AU  - Kuba, R.
AU  - Calda, P.
PY  - 2018
DO  - 10.1101/365502
UR  - https://www.biorxiv.org/content/10.1101/365502v1
ID  - 10.1101/365502
ER  -