authors

• Candal-Pedreira, Cristina
• Joseph S. Ross, MD, MHS
• Ruano-Ravina, Alberto
• Egilman, David S
• Fernández, Esteve
• Pérez-Ríos, Mónica

publication date

• November 28, 2022

published in

• BMJ (Clinical research ed.)  Journal

has subject area

• Asian People
• China
• Cross-Sectional Studies
• Databases, Factual
• Hospitals
• Humans

Digital Object Identifier (DOI)

• https://doi.org/10.1136/bmj-2022-071517

PubMed ID

• 36442874

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