Clinical Review
Science, Medicine, and the Future
Cell-free fetal DNA and RNA in maternal blood: implications for safer antenatal testing
Cite this as:
BMJ
2009;339:b2451
- BMJ Series
- Cytogenetics
- Diagnostics
- Epidemiology
- Ethics
- Gastroenterology
- General surgery
- Genetics
- Health informatics
- Informed consent
- Internet
- Legal and forensic medicine
- Obstetrics and gynaecology
- Pregnancy
- Public health
- Reproductive medicine
- Science, medicine, and the future
- Screening (epidemiology)
- Screening (public health)
- Small intestine
- Surgery
- Surgical diagnostic tests
- Special collections
More topics 
Fewer topics
Sign in
Article access
Article access for 1 day
Purchase this article for £20 $30 €32*
The PDF version can be downloaded as your personal record
CiteULike
Connotea
Del.icio.us
Digg
Facebook
Mendeley
Reddit
Technorati
Twitter
Stumbleupon
Rapid responses
Latest Responses
Re: Cholinesterase inhibitors and memantine for symptomatic treatment of dementia
Published 27 May 2012
Re: Time to end the distinction between mental and neurological illnesses
Published 27 May 2012
Re: Influenza vaccination in healthcare professionals
Published 27 May 2012
Greek doctors are required to deliver care all week at no cost!
Published 27 May 2012
Re: What is recall bias?
Published 27 May 2012
Most responses
Venous thrombosis in users of non-oral hormonal contraception: follow-up study, Denmark 2001-10 (12 responses)
Published 10 May 2012 - 23:32
The psychiatric oligarchs who medicalise normality (9 responses)
Published 2 May 2012
Are doctors justified in taking industrial action in defence of their pensions? No (8 responses)
Published 8 May 2012 - 12:21
Are doctors justified in taking industrial action in defence of their pensions? Yes (8 responses)
Published 8 May 2012 - 12:21
The hardest thing: admitting error (7 responses)
Published 2 May 2012 - 12:27