"The drug is a skeleton key which unlocks an interior door to places we don't generally have access to," Dr Richards said.
Barzeh, near Damascus and Al Waer, near Homs also face repeated closure of access, said Dr Bart Janssens, the medical group's director of operations.
"We have consistently sought consular access to Dr Khan and information on his detention, directly and through the Russians, Czechs and others".
"We are not saying that lobbying is a bad thing, but it can go badly wrong, allowing democracy to be distorted by those who have the most money and access," said Dr Barrington.
"We have all the technologies, but there is a group of people who don't have access," says Dr Eric Sandler, a children's cancer doctor at Nemours hospital in Jacksonville and a board member of the American Cancer Society.
Did any British or US company put money into Atlantic Bridge, the neo-Conservative charity, in the belief that it would help them get access to Dr Fox and other key Tories?
They added: "We have consistently sought consular access to Dr Khan and information on his detention, directly and through the Russians, Czechs and others.
In a statement the Foreign Office say they consistently sought consular access to Dr Khan directly and pressed for his position to be reviewed, including at Ministerial level.
Officials said they had "consistently sought" consular access to Dr Khan and information on his detention, directly and through the Russians, Czechs and others.
The question now lies in how to accelerate progress towards achieving the MDG targets and most importantly how to leap a step further to ultimately achieve the vision of universal access," said Dr Maria Neira, WHO's Director for the Department of Public Health and Environment.
Since then, inquiries into police suicide have been unanimously handled offsite by universities without the access afforded to Dr Barron.
