Table 3Summary of search results

Source/SearchUnique ResultsPapers Retrieved
Vitamin D 1990–2006237660
Vitamin D 1980–1989124657
Vitamin D 1966–197988330
Vitamin D Grey Literature819
Incidence of osteomalacia & Rickets 1990–2006617
Reference Lists & Background Papers44
Total4647207

From: Search strategies

Cover of Antenatal Care
Antenatal Care: Routine Care for the Healthy Pregnant Woman.
NICE Clinical Guidelines, No. 62.
National Collaborating Centre for Women's and Children's Health (UK).
London: RCOG Press; 2008 Mar.
Copyright © 2008, National Collaborating Centre for Women’s and Children’s Health.

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