The First-Order Theory of the c-Degrees With the #-Operation. - Patrick Farrington (Math. Log. Q., 1982)

Self-controlled case series analyses: Small-sample performance. - Patrick Musonda; Mounia N. Hocine; Heather J. Whitaker; C. Paddy Farrington (Comput. Stat. Data Anal., 2008)

Self-controlled case series with multiple event types. - Yonas Ghebremichael-Weldeselassie; Heather J. Whitaker; Ian J. Douglas; Liam Smeeth; C. Paddy Farrington (Comput. Stat. Data Anal., 2017)