Apgar values lower than 7 associated with mortality in premature newborns

From the Department of Internal Medicine (Reyes-Saavedra); from the Department of Psychiatry (Castelán-Villagrana), Health Services of the State of Hidalgo, Hidalgo, from the Department of Education (Mata-Maqueda), Health Services of the State of Queretaro, Queretaro, and from the Department of Biomedical Research (Solís-Sáinz), School of Medicine, Autonomous University of Queretaro, Queretaro, Mexico.

From the Department of Internal Medicine (Reyes-Saavedra); from the Department of Psychiatry (Castelán-Villagrana), Health Services of the State of Hidalgo, Hidalgo, from the Department of Education (Mata-Maqueda), Health Services of the State of Queretaro, Queretaro, and from the Department of Biomedical Research (Solís-Sáinz), School of Medicine, Autonomous University of Queretaro, Queretaro, Mexico.

From the Department of Internal Medicine (Reyes-Saavedra); from the Department of Psychiatry (Castelán-Villagrana), Health Services of the State of Hidalgo, Hidalgo, from the Department of Education (Mata-Maqueda), Health Services of the State of Queretaro, Queretaro, and from the Department of Biomedical Research (Solís-Sáinz), School of Medicine, Autonomous University of Queretaro, Queretaro, Mexico.

From the Department of Internal Medicine (Reyes-Saavedra); from the Department of Psychiatry (Castelán-Villagrana), Health Services of the State of Hidalgo, Hidalgo, from the Department of Education (Mata-Maqueda), Health Services of the State of Queretaro, Queretaro, and from the Department of Biomedical Research (Solís-Sáinz), School of Medicine, Autonomous University of Queretaro, Queretaro, Mexico.