The following publications and technical manuals are available from CTLS. Please contact us for copies.

Adding Value in Exploratory Drug Development The Clinical Trials Centre/Clinical Trials Laboratory Interface: Daryl Bendel and Rukhsana Ahsan European Biopharmaceutical Review, 92-95. 2004 http://www.samedanltd.com

Serum Binding of steroid tracers and its possible effect on direct steroid immunoassay: J.V. Micallef, M.M. Hayes, A. Latif, R. Ahsan, S.B. Sufi. Ann. Clin. BioChem. 32 (Pt 6): 566-74. 1995.

Immunoassay Development in Immunoassay, Laboratory Analysis and Clinical Application: Chapter 3. R. Ahsan & J.V. Micallef.ISBN 0-7506-9256-1 Eds.James P. Gosling and Lawrence V. Basso. 1994.

Multicentre Trial of isotopic and non-isotopic Assays of Reproductive Hormones: A comparison of Assay Performance and Reagent Stability. R. Ahsan, J.V. Micallef, S. Cekan et al. International Symposium on Radioimmunoassay and Related Procedures; Perspectives in Developing Countries. IAEA, Vienna 1992.

Standardisation of Laboratory Performance - Approaches to the Design of External Quality Assessment Schemes: J.V. Micallef, R. Ahsan, S. Gandy et al. International Symposium on Radioimmunoassay & Related Procedures. Perspectives in Developing Countries. IAEA, Vienna 1992.

Development of National Immunoassay Reagent Programmes: S.B. Sufi, J.V. Micallef, R. Ahsan, W. Charoensiriwatana, V. Diaz-Sanchez, R. Gonzalez- Suarez, S. Quiroga, N.P. Gonchorov. International Symposium on Radioimmunoassay and Related Procedures; Perspectives in Developing Countries. IAEA, Vienna 1992.

Laboratory Method Manual for the First Time Users Guide to the WHO Immunoassay Data Processing Program: R. Ahsan, M. Hayes, P.R. Edwards. 1989.

Laboratory Method manual for the radioimmunoassay of Urinary pregnanediol-3_-glucuronide and estrone-3- glucuronide: R. Ahsan, K.J. Crocombe, R.A. Shapton, S.B. Sufi 1988.

Laboratory Method Manual for the Radioimmunoassay of Levonorgestrel, Norethisterone and Medroxy Progesterone Acetate: R. Ahsan, S.B. Sufi, S. Cekan. 1988.

The Radioimmunoassay of Steroid Glucuronides. Ph.D. Thesis: R.Ahsan (nee R.Chaudhri), University of London. 1980.

The Preparation of a Highly Specific Antiserum for the Immunoassay of Steroid Glucuronides. J. Steroid Biochem. Vol 13, 691-696: R. Ahsan (nee R.Chaudhri), W.F. Coulson.

An improved Synthesis of 6_-Hydroxy-5b-Pregnane 3, 20- Dione. Steroids; Vol. 31, No.4. 1978: R. Ahsan (nee R. Chaudhri), G. Cooley, W.F. Coulson.

An improved Hapten Design for the Radioimmunoassay of Steroid Glucuronides: R. Ahsan ( nee R. Chaudhri) and W.F. Coulson. J. Steroid Biochemistry. Vol. 13.pp. 691- 696. 1980.

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