1. Aspects of limb morphogenesis in the chicken;Aprino,1965
2. Spatio-temporal distribution of a zone that controls antero-posterior polarity in the limb bud of the chick and other bird embryos;Balcuns;Amer. Zool,1970
3. Cell death in the ‘opaque patch’ in the central mesenchyme of the developing chick limb: A cytological, cytochemical and electronmicroscopic analysis;Dawd;J. Embryol. Exp. Morphol,1971
4. The relationship of the zone of polarizing activity to supernumerary limb formation (twinning) in the chick wing bud;Fallon;Develop. Biol,1975
5. In vitro analysis of the control of cell death in a zone of prospective necrosis from the chick wing bud;Fallon;Develop. Biol,1968