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January 28, 2004

Assessing Exposure to Toxic Gases in Bhopal

Author Affiliations

Letters Section Editor: Stephen J. Lurie, MD, PhD, Senior Editor.

JAMA. 2004;291(4):422-423. doi:10.1001/jama.291.4.422-a

To the Editor: In their Research Letter about exposure to toxic fumes from the Union Carbide pesticide plant in Bhopal, India, Mr Ranjan and colleagues1 found selective growth retardation in boys, but not in girls, who were either directly exposed or born to exposed parents. The assignment of exposure appears to be have been performed on an ecological rather than an individual basis, thus leading to the probability that some individuals (depending on their location on the night of the incident) might not necessarily have been exposed.

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