Leonard F. Blackwell

Online fertility monitoring: some of the issues

Simon Brown, Leonard F. Blackwell, Delwyn G. Cooke, 2017 .

A graphical trap for unwary users of Excel 2010

Simon Brown, Leonard F. Blackwell, Delwyn G. Cooke, 2016 .

Validation of a reference ELISA for estrone glucuronide using urine samples normalized by dilution to a constant rate of urine production

Leonard F. Blackwell, Delwyn G. Cooke, L. Blackwell, 2007, Steroids.