d-f library

The Medical Tests D-F reference guide provides reliable, up-to-date information on all kinds of medical tests beginning with the letters D-F. Whether you need dental X-rays, an ear examination or a folic acid test, learn about the equipment used, how to prepare for the test, what to expect at the doctor's office.

Featured Article: Digital Rectal Exam

Digital Rectal Exam information at HowStuffWorks. Learn about the purpose of Digital Rectal Exam, what to expect and how to prepare for this test. See more »

D-xylose Absorption Test

D-xylose Absorption information at HowStuffWorks. Learn about the purpose of D-xylose Absorption, what to expect and how to prepare for this test.

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Delta-ALA Urine Test

Delta-ALA information at HowStuffWorks. Learn about the purpose of Delta-ALA, what to expect and how to prepare for this test.

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Dental Plaque Identification At Home

Dental Plaque Identification At Home information at HowStuffWorks. Learn about the purpose of Dental Plaque Identification At Home, what to expect and how to prepare for this test.

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Dental X-rays

Dental X-rays information at HowStuffWorks. Learn about the purpose of Dental X-rays, what to expect and how to prepare for this test.

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Dexamethasone Suppression Test

Dexamethasone Suppression Test information at HowStuffWorks. Learn about the purpose of Dexamethasone Suppression Test, what to expect and how to prepare for this test.

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DHEA-sulfate Serum

DHEA-sulfate - Serum information at HowStuffWorks. Learn about the purpose of DHEA-sulfate - Serum, what to expect and how to prepare for this test.

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Diagnostic Laparoscopy

Diagnostic Laparoscopy information at HowStuffWorks. Learn about the purpose of Diagnostic Laparoscopy, what to expect and how to prepare for this test.

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Dialysis

Dialysis information at HowStuffWorks. Learn about the purpose of Dialysis, what to expect and how to prepare for this test.

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Digital Rectal Exam

Digital Rectal Exam information at HowStuffWorks. Learn about the purpose of Digital Rectal Exam, what to expect and how to prepare for this test.

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Digitoxin Test

Digitoxin - Test information at HowStuffWorks. Learn about the purpose of Digitoxin - Test, what to expect and how to prepare for this test.

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Digoxin Test

Digoxin - Test information at HowStuffWorks. Learn about the purpose of Digoxin - Test, what to expect and how to prepare for this test.

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Donath-Landsteiner Test

Donath-Landsteiner Test information at HowStuffWorks. Learn about the purpose of Donath-Landsteiner Test, what to expect and how to prepare for this test.

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Doppler Ultrasound Exam of an Arm or Leg

Doppler Ultrasound Exam Of An Arm Or Leg information at HowStuffWorks. Learn about the purpose of Doppler Ultrasound Exam Of An Arm Or Leg, what to expect and how to prepare for this test.

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Duodenal Tissue Biopsy Culture

Culture - Duodenal Tissue Biopsy information at HowStuffWorks. Learn about the purpose of Culture - Duodenal Tissue Biopsy, what to expect and how to prepare for this test.

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Duplex Ultrasound

Duplex Ultrasound information at HowStuffWorks. Learn about the purpose of Duplex Ultrasound, what to expect and how to prepare for this test.

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Ear Drainage Culture

Ear Drainage Culture information at HowStuffWorks. Learn about the purpose of Ear Drainage Culture, what to expect and how to prepare for this test.

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Ear Examination

Ear Examination information at HowStuffWorks. Learn about the purpose of Ear Examination, what to expect and how to prepare for this test.

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ECG

ECG information at HowStuffWorks. Learn about the purpose of ECG, what to expect and how to prepare for this test.

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Echocardiogram

Echocardiogram information at HowStuffWorks. Learn about the purpose of Echocardiogram, what to expect and how to prepare for this test.

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EEG

EEG information at HowStuffWorks. Learn about the purpose of EEG, what to expect and how to prepare for this test.

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