TY  - BOOK
AU  - Hansen, Niels Lauge
AU  - Science
TI  - Development and the embyonic anatomy of the human gasro-intestinal tract: : A new basis for the study of anomalies of the gastro-intestinal tract  
PY  - 1960///
CY  - Eindhoven: 
PB  - Centrex Publishing Company, 
ER  -