background: culture media enrichment through the addition of protein hydrolysates is beneficial for achieving higher protein expression. methods: in this study, designing the optimum mixture of four soy and casein-derived hydrolysates was successfully performed by design of experiment and specific productivity increased in all predicted combinations. protein profile of recombinant cho (rcho) ce...

Geographical variation in coronary revascularisation rates Sir-I found the paper by Black et all on the geographical variation in coronary re-vascularisation rates extremely interesting. This is a vital area if the NHS is to try to achieve a more equitable service. I am impressed by the tremendous size of the study embarked upon to investigate these variations and the wealth of information avai...

Geographical variation in coronary revascularisation rates Sir-I found the paper by Black et all on the geographical variation in coronary re-vascularisation rates extremely interesting. This is a vital area if the NHS is to try to achieve a more equitable service. I am impressed by the tremendous size of the study embarked upon to investigate these variations and the wealth of information avai...