TY  - RPRT
TI  - Squint in monozygotic twins.
AU  - B de Vries
AU  - W A Houtman
PY  - 1979
DO  - 10.1007/bf00142619
UR  - https://pubmed.ncbi.nlm.nih.gov/573196/
ID  - 573196
ER  -