1. Transplantability of malignant tumours to the embryos of foreign species;Murphy;J. Amer. Med. Ass.,1912
2. The Cancer Cell in vitro;Ambrose,1967
3. The Spread of Cancer;Leighton,1967
4. Tumor growth in grids on chorioallantoic membranes of chick embryos;Hellmann;Cancer chemother. Repts,1965
5. D. F. Tucker, unpublished observations.