Bee Pollen. Chemical Composition and Therapeutic Application (2015 (Poland)
Effect of 3 ml. of royal jelly on elderly people (2012)(Japan)
Propolis against prostate cancer cells (2007)(USA, Brazil)
Sex Hormones and Corticosteroids in Pollen of Pinus nigra (1978)(Zagreb, Yugoslavia)
Testosterone, Epitestosterone and Androstenedione in the Pollen of Scotch Pine (Pinus silvestris L.)
Role of bee products in male reproductibility. A review (Malaysia, Nigeria)(2021)
Honey boosts sperm after freezing (2014)(Iraq)
