Key passage(s)
Whole article
Acknowledgements
The editors are grateful to:
Elsevier Ltd. for making a pdf of this article available (letter to Iain Chalmers from Laura Pritchard, 14 May 2014). For conditions of further reproduction, see here.
Tabár L, Fagerberg CJ, Gad A, Baldetorp L, Holmberg LH, Gröntoft O, Ljungquist U, Lundström B, Månson JC, Eklund G, Day NE, Pettersson F (1985)
RELEVANT TOPICS
Key articles
- Moberg J, Kramer M (2015).
A brief history of the cluster randomized trial design.