TY  - RPRT
TI  - Oral clefts with associated anomalies: methodological issues.
AU  - Diego F Wyszynski
AU  - Andrea Sárközi
AU  - Andrew E Czeizel
PY  - 2006
DO  - 10.1597/04-085r2.1
UR  - https://pubmed.ncbi.nlm.nih.gov/16405364/
ID  - 16405364
ER  -