| Waardenburg syndrome | ADAM Health Illustrated Encyclopedia |
| Waardenburg syndrome | Gale Encyclopedia of Genetic Disorders Part I |
| Waardenburg Syndrome | Gale Encyclopedia of Genetic Disorders Part II |
| Waldenström's Macroglobulinemia | Gale Encyclopedia of Cancer |
| WaldenströM's Macroglobulinemia | Gale Encyclopedia of Medicine |
| Walker-Warburg syndrome | Gale Encyclopedia of Genetic Disorders Part I |
| Walker-Warburg Syndrome | Gale Encyclopedia of Genetic Disorders Part II |
| Wallenberg Syndrome | Gale Encyclopedia of Neurological Disorders |
| Wart remover poisoning | ADAM Health Illustrated Encyclopedia |
| Warts | ADAM Health Illustrated Encyclopedia |
| Warts | Gale Encyclopedia of Alternative Medicine |
| Warts | Gale Encyclopedia of Children's Health |
| Warts | Gale Encyclopedia of Medicine |
| Warts, Herpes Simplex, And Other Viral Infections | Clinical Dermatology (Elsevier) |
| Waterhouse-Friderichsen syndrome | ADAM Health Illustrated Encyclopedia |
| Watery eyes | ADAM Health Illustrated Encyclopedia |
| Wax blockage | ADAM Health Illustrated Encyclopedia |
| Weaver syndrome | Gale Encyclopedia of Genetic Disorders Part I |
| Weaver Syndrome | Gale Encyclopedia of Genetic Disorders Part II |
| Webbing of the fingers or toes | ADAM Health Illustrated Encyclopedia |
| Wegener's granulomatosis | ADAM Health Illustrated Encyclopedia |
| Wegener's Granulomatosis | Gale Encyclopedia of Medicine |
| Weight management | ADAM Health Illustrated Encyclopedia |
| Weight problems and children | ADAM Health Illustrated Encyclopedia |
| Weissenbacher-Zweymuller syndrome | Gale Encyclopedia of Genetic Disorders Part I |
| Weissenbacher-Zweymuller Syndrome | Gale Encyclopedia of Genetic Disorders Part II |
| Werner syndrome | Gale Encyclopedia of Genetic Disorders Part I |
| Werner Syndrome | Gale Encyclopedia of Genetic Disorders Part II |
| Wernicke-Korsakoff syndrome | ADAM Health Illustrated Encyclopedia |
| Wernicke-Korsakoff syndrome | Gale Encyclopedia of Mental Disorders |
| West Nile virus | ADAM Health Illustrated Encyclopedia |
| West Nile Virus Infection | Gale Encyclopedia of Neurological Disorders |
| Whiplash | ADAM Health Illustrated Encyclopedia |
| Whiplash | Gale Encyclopedia of Medicine |
| Whiplash | Gale Encyclopedia of Neurological Disorders |
| Whiplash | Gale Encyclopedia of Nursing and Allied Health |
| Whipple's disease | ADAM Health Illustrated Encyclopedia |
| Whipple's Disease | Gale Encyclopedia of Neurological Disorders |
| Whipworm infection | ADAM Health Illustrated Encyclopedia |
| Whitehead | ADAM Health Illustrated Encyclopedia |
| Whooping Cough | Gale Encyclopedia of Alternative Medicine |
| Whooping Cough | Gale Encyclopedia of Children's Health |
| Whooping Cough | Gale Encyclopedia of Medicine |
| Williams syndrome | ADAM Health Illustrated Encyclopedia |
| Williams Syndrome | Gale Encyclopedia of Childhood and Adolescence |
| Williams syndrome | Gale Encyclopedia of Genetic Disorders Part I |
| Williams Syndrome | Gale Encyclopedia of Genetic Disorders Part II |
| Williams Syndrome | Gale Encyclopedia of Neurological Disorders |
| Wilms tumor | ADAM Health Illustrated Encyclopedia |
| Wilms' Tumor | Gale Encyclopedia of Cancer |
| Wilms' Tumor | Gale Encyclopedia of Children's Health |
| Wilms' Tumor | Gale Encyclopedia of Medicine |
| Wilson disease | Gale Encyclopedia of Genetic Disorders Part I |
| Wilson Disease | Gale Encyclopedia of Genetic Disorders Part II |
| Wilson Disease | Gale Encyclopedia of Medicine |
| Wilson Disease | Gale Encyclopedia of Neurological Disorders |
| Wilson's disease | ADAM Health Illustrated Encyclopedia |
| Wiskott-Aldrich syndrome | Gale Encyclopedia of Genetic Disorders Part I |
| Wiskott-Aldrich Syndrome | Gale Encyclopedia of Children's Health |
| Wiskott-Aldrich Syndrome | Gale Encyclopedia of Genetic Disorders Part II |
| Wiskott-Aldrich Syndrome | Gale Encyclopedia of Medicine |
| Withdrawal Behavior | Gale Encyclopedia of Childhood and Adolescence |
| Withdrawal Syndromes | Gale Encyclopedia of Medicine |
| Wolf-Hirschhorn syndrome | Gale Encyclopedia of Genetic Disorders Part I |
| Wolf-Hirschhorn Syndrome | Gale Encyclopedia of Genetic Disorders Part II |
| Wolff-Parkinson-White syndrome | ADAM Health Illustrated Encyclopedia |
| Wolff-Parkinson-White Syndrome | Gale Encyclopedia of Medicine |
| Wolman disease | Gale Encyclopedia of Genetic Disorders Part I |
| Wolman Disease | Gale Encyclopedia of Genetic Disorders Part II |
| Wood stains | ADAM Health Illustrated Encyclopedia |
| Worms | Gale Encyclopedia of Alternative Medicine |
| Wound Care | Gale Encyclopedia of Nursing and Allied Health |
| Wound Care | Gale Encyclopedia of Surgery |
| Wounds | Gale Encyclopedia of Alternative Medicine |
| Wounds | Gale Encyclopedia of Children's Health |
| Wounds | Gale Encyclopedia of Medicine |
| Wounds | Gale Encyclopedia of Nursing and Allied Health |