TY - JOUR T1 - Introduction: preface to the Hedgehog family of proteins review volume JO - CELL MOL LIFE SCI PY - 2000/11/01 AU - Ingham PW AU - Placzek M ED - VL - 57 IS - 12 SP - 1671 EP - 1671 Y2 - 2024/12/22 ER -