TY  - RPRT
TI  - A multivariate approach in statistical analysis for perinatal research: Cox regression analysis.
AU  - A Farina
AU  - F Vesce
AU  - A Sekizawa
AU  - M Barbieri
PY  - 1999
DO  - 10.1080/01443619966029
UR  - https://pubmed.ncbi.nlm.nih.gov/15512228/
ID  - 15512228
ER  -