(2000). An introduction to randomized controlled clinical trials / J.N.S. Matthews.
Citazione stile Chigago Style (17a edizione)An Introduction to Randomized Controlled Clinical Trials / J.N.S. Matthews. 2000.
Citatione MLA (9a ed.)An Introduction to Randomized Controlled Clinical Trials / J.N.S. Matthews. 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.