scholarly journals Study design of a stepped wedge cluster randomized controlled trial to evaluate the effect of a locally tailored approach for preconception care – the APROPOS-II study

2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Veronique Y. F. Maas ◽  
Maria P. H. Koster ◽  
Erwin Ista ◽  
Kim L. H. Vanden Auweele ◽  
Renate W. A. de Bie ◽  
...  
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