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Vitamin A supplementation every 6 months with retinol in 1 million pre-school children in north India: DEVTA, a cluster-randomised trial

Author:

Shally Awasthi,Richard Peto,Simon Read,Sarah Clark,Vinod Pande,Donald Bundy, the DEVTA (Deworming and Enhanced Vitamin A) team

Publication:

The Lancet

Publisher:

Elsevier

Date:

27 April–3 May 2013

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