International Journal of Impotence Research · 2023 · 11 citations · 27 references
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The Measurement of Observer Agreement for Categorical Data
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Interrater reliability: the kappa statistic
Marry L. McHugh · Biochemia Medica · 2012 · 17.4K citations · Full text
Oral Sildenafil in the Treatment of Erectile Dysfunction
Irwin Goldstein, Tom F. Lue, Harin Padma-Nathan et al. · New England Journal of Medicine · 1998 · 2.1K citations