17:00 - 17:40
Geoff Watts asks why the source of new medical drugs is drying up.
We welcome your comments and questions about the programme. Please email us using the form below.
The BBC promises that you will NOT receive unsolicited mail by supplying your personal details.
The BBC and any service provider we engage will use the information you supply to respond to your queries/comments, to develop and enhance our services and for statistical analysis of audiences and users. For full details of our policy regarding the personal information we collect about you visit our Privacy & Cookies page
On Your Farm
BBC Radio 4
Broadcasting House
London
W1A 1AA
U.K.
BBC © 2012 The BBC is not responsible for the content of external sites. Read more.
This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.