1. Tutin TG, Heywood V, Burges NA, Valentine DH, Walters SM, Webb DA (1964) Flora Europaea Vol 1 Cambridge: Cambridge Univ Press pp 38–39
2. Leung AY (1980) Encyclopedia of common natural ingredients used in food, drugs and cosmetics. New York: Wiley-Interscience pp 208–209
3. Williamson EM, Evans FJ (1988) Potters new cyclopaedia of botanical drugs and preparations by Wren RC. Saffron Waiden: The CW Daniel Company pp 160–161
4. Markkanen T, Makinen ML, Nikoskelainen J, Ruhonen J, Nieminen K, Jokinen P, Raunio R, Hirvonen T (1981) Antiherpetic agent from juniper tree (Juniperus communis), its purification, identification and testing in primary human amnion cell cultures. Drugs Exptl Clin Res 7:691–697
5. Fitzgerald DB, Hartwell JL, Leiter J (1957) Distribution of tumor-damaging lignans among conifers. J Natl Cancer Inst 18:83–99