"We all know what Erin is involved with - what's going on in her life - and we all know one another," says Sara Fretheim, a Ph.D. student who is a member of Erin's network.

现为在读博士，艾琳社团成员的萨拉•佛莱姆说：“我们所有的成员都知道与艾琳有关的事情，都知道她一生中发生了什么，同时我们彼此之间也都相互了解。”

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"We all know what Erin is involved with - what's going on in her life - and we all know one another," says Sara Fretheim, a Ph. D. student who is a member of Erin's network.

现为在读博士，艾琳社团成员的萨拉•佛莱姆说：“我们所有的成员都知道与艾琳有关的事情，都知道她一生中发生了什么，同时我们彼此之间也都相互了解。”

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Dr Fretheim said the key to saving money was changing the habits of doctors.

BBC: Millions 'wasted on costly drugs'