An attempt has been made in this paper to disseminate the formation of basic knowledge of bacteriology in ancient India. In the aetiology of many diseases microbial relation plays a role which was realized by the modern medicine only a century ago.

a statistical basis. These latter studies have indicated that daughters and sisters of females with breast cancer had a significantly greater chance of developing cancer than persons in various control groups used in these studies. Unfortunately faulty planning and idea execution existed in so far as the control groups were concerned and it was on this basis that a study was started at the Digh...

Kenneth Timmis, Franziska Jebok, Fabio Rigat, Willem M. de Vos and James Kenneth Timmis Institute of Microbiology, Technical University Braunschweig, Braunschweig, Germany. Institute for Educational Science, University of Freiburg, Freiburg, Germany. Department of Statistics, University of Coventry, Coventry, UK. Laboratory of Microbiology, Wageningen University, Wageningen, The Netherlands. De...

Six trials of quality control material sent in the form of artificial specimens are reported. A method of assessment using a computer for complex results, including antibiotic sensitivity tests, was employed. The trials were successful in showing the need for a comprehensive service and in bringing to light by this method a wide variety of errors.