TY  - GEN
AU  - Smith,J
TI  - Positional signalling: where are we now?
SN  - 0168-9525
PY  - 1989///1010
KW  - Animals
KW  - Cell Differentiation
KW  - Drosophila
KW  - embryology
KW  - Drosophila Proteins
KW  - Embryonic Induction
KW  - Gene Expression Regulation
KW  - Homeodomain Proteins
KW  - Insect Hormones
KW  - genetics
KW  - Signal Transduction
KW  - Trans-Activators
N1  - Publication Type: Journal Article; Review
UR  - https://doi.org/10.1016/0168-9525(89)90066-8
ER  -