1. Gallup Research May 1993: Social population survey of GB women age 50 plus, for NOS.
2. Survey and Marketing Services August 1993: in depth group discussions of cross-section of women at risk age 45 plus, for NOS.
3. Geriatric Medicine Questionnaire December 1993, for NOS.
4. National Opinion Polls survey of 1000 women age 45 to 58, for Ciba-Geigy 1992.
5. Media Week Survey of 4500 women, February 1992.