1. Family Health International for Abdelsalaam A A comparative study of Neo Sampoon tablets versus Emko tablets in Zagazig, Egypt Unpublished report, Family Health International, May 1984
2. Family Health International for Andolsek L A comparative clinical trial of Neo Sampoon vaginal tablets and Emko vaginal foam in Ljubljana, Yugoslavia Unpublished report, Family Health International, April 1988
3. Clinical acceptability, use patterns and use-effectiveness of the vaginal contraceptive sponge and Neo Sampoon tablets - an international multi-center randomized clinical trial;Chi;Contraception,1987
4. A comparative study of the safety, effectiveness and acceptability of two foaming vaginal tablets (nonoxynol-9 versus menfegol) in Thai women;Chompootaweep;Contraception,1990
5. Family Health International for Ghunney E Evaluation of the safety, effectiveness and acceptability of Ortho foaming vaginal tablets containing nonoxynol-9 versus Ortho foaming tablets containing menfegol at a clinic in Accra, Ghana Unpublished report, Family Health International, December 1987