Correspondence
Dtsch Arztebl Int 2020; 117: 674-5. DOI: 10.3238/arztebl.2020.0674
Original article
An explorative randomized controlled study
Dtsch Arztebl Int 2020; 117: 289-96. DOI: 10.3238/arztebl.2020.0289
Correspondence
Dtsch Arztebl Int 2017; 114: 300-1. DOI: 10.3238/arztebl.2017.0300c
Original article
A Systematic Review
Dtsch Arztebl Int 2017; 114: 1-8. DOI: 10.3238/arztebl.2017.0001