Factors Associated with Increased Pain in Primary Dysmenorrhea: Analysis Using a Multivariate Ordered Logistic Regression Model

1. Tomás-Rodríguez, M.I.
2. Palazón-Bru, A.
3. Martínez-St John, D.R.J.
4. Navarro-Cremades, F.
5. Toledo-Marhuenda, J.V.
6. Gil-Guillén, V.F.