title: April editorial.
authors.forename: F R
authors.initials: FR
authors.lastname: Rosendaal
authors.forename: P H
authors.initials: PH
authors.lastname: Reitsma
mesh_terms: D000925:Anticoagulants / Q000494:pharmacology*; D006801:Humans; D009025:Morpholines / Q000494:pharmacology*; D000069552:Rivaroxaban; D013876:Thiophenes / Q000494:pharmacology*
chemical_list: D000925:Anticoagulants; D009025:Morpholines; D013876:Thiophenes; D000069552:Rivaroxaban