^Szirmai E (1969). "[A new treatment for colds using a new caffeine derivative, methylcoffanolamine]". Praxis (in German). 58 (13): 412–4. PMID5818666.
^Walther H, Köhler E (1979). "[Human pharmacologic studies on the biologic availability and resorption of cafaminol (AWD) (proceedings)]". Pharmazie (in German). 34 (5–6): 375–6. PMID515164.
^Rogowski M, Chodynicki S (1985). "[Use of the preparation Cafaminol in the treatment of acute rhinitis]". Wiad. Lek. (in Polish). 38 (20): 1437–40. PMID3913153.