Dr. Ornish's diet plan limits daily calories from fat to less than ten percent, with little to no saturated fat or cholesterol.

VOA: special.2011.07.05

It's just this kind of rhetorical trick that Milton uses - so many rhetorical tricks like this that Milton will use throughout the poem -- that led Dr. Johnson to say in utter exasperation, but admiration, that "Milton wrote no language": this isn't English that Milton is writing here.

正是弥尔顿使用的这种修辞手法,-弥尔顿全诗使用了大量这样的修辞手法,-让约翰逊博士懊恼而又钦佩的说，“弥尔顿所写不是语言“,弥尔顿这里写的不是英语。

耶鲁公开课 - 弥尔顿课程节选

Although no cure has been discovered yet, Dr.Sabbagh says significant progress has been made over the past 15 years.

VOA: standard.2009.12.04

Dr.Pappas with the NGO Interaction says he sees no reason why African countries should take drastic preventive action at this stage.

VOA: standard.2009.04.28

What, do they just ditch? No, Dr. And Mrs. Cullen yank them outfor, like, hiking and camping and stuff.

VOA: standard.other

Dr.Patrick Mbugua says Kenyans no longer need to go to India or other places to get their kidney transplants.

VOA: standard.2010.05.30

These basic principles are important," Dr.Pappas emphasizes that, while there is no cause for alarm, countries where health care infrastructure is weak are the most vulnerable.

VOA: standard.2009.04.28