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Observational studies

Running trends in Switzerland from 1999 to 2019: An exploratory observational study

Anja Witthöft, Thimo Marcin, [ ... ], Beat Knechtle

Testosterone is not associated with traits of optimism or pessimism: Observational evidence from the prospective DETECT study

Hanna Kische, Jürgen Hoyer, [ ... ], Robin Haring

Feeding styles and adiposity in children of 6 months– 5 years of age: Protocol for a systematic review and meta- analysis

Divya Nair Haridas, Onno C. P. van Schayck, [ ... ], Prafulla Shriyan

Association of ambulance and helicopter response times with patient survival: A systematic literature review and meta-analysis

Peter Martin Hansen, Martine Siw Nielsen, [ ... ], Anne Craveiro Brøchner

COVID-19-related research data availability and quality according to the FAIR principles: A meta-research study

Ahmad Sofi-Mahmudi, Eero Raittio, [ ... ], David Moher

Virologic outcomes after early referral of stable HIV-positive adults initiating ART to community-based adherence clubs in Cape Town, South Africa: A randomised controlled trial

Jasantha Odayar, Thokozile R. Malaba, [ ... ], Landon Myer

Association of epicardial fat with cardiac structure and function and cardiovascular outcomes: A protocol for systematic review and meta-analysis

Hidekatsu Fukuta, Toshihiko Goto, Takeshi Kamiya

Long-term outcomes of biodegradable versus 2nd generation durable polymer drug-eluting stents in PCI: Protocol for a systematic review and meta-analysis

Rosa J Thuemmler, Trisha Choudhary, [ ... ], Niraj S Kumar

Performance of modeling and balancing approach methods when using weights to estimate treatment effects in observational time-to-event settings

Guilherme W. F. Barros, Marie Eriksson, Jenny Häggström

Using microbiological data to improve the use of antibiotics for respiratory tract infections: A protocol for an individual patient data meta-analysis

Irene Boateng, Beth Stuart, [ ... ], Nick Francis

Hypernatremia is associated with mortality in severe elderly sepsis patients

Xu Liu, Yalin Hong, [ ... ], Ying Liu

Feeding infant formula with low sn-2 palmitate causes changes in newborn’s intestinal environments through an increase in fecal soaped palmitic acid

Atsushi Ito, Hiromichi Shoji, [ ... ], Toshiaki Shimizu

Effect of knowledge of sulfadoxine-pyrimethamine (SP) as prophylaxis for malaria on its uptake for intermittent preventive treatment of malaria in pregnancy (IPTp): Application of inverse probability weighted regression adjustment (IPWRA) technique

Charles Natuhamya, Edson Mwebesa, Nazarius Mbona Tumwesigye

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