1. Allen JM, Sasek CA, Martin JB and Heinrich G (1987) Use of complementary 125I labelled RNA for single cell resolution by in situ hybridization. Biotechniques 5: 774–777.
2. Amersham International plc. ECL gene detection system. Technical bulletin S/313/89/1.
3. Amersham International plc. Nucleic acid labelling. Technical Bulletin. S197/87.
4. Anderson ML and Young BD (1985) Quantitative filter hybridization. In: Nucleic Acid Hybridization. (Harnes BD ed.), pp. 73–110. IRL Press.
5. Bandtlow CE, Heumann R, Schwab ME and Thoenen H (1987) Cellular localization of nerve growth factor synthesis by in situ hybridisation. EMBO J. 6: 891–899.