Therefater, he joined the West African Frontier Force in 1948 as a regiment signaler and later completed the Officer Cadet Training Course in Teshie, Ghana from 1950 to 1952. (nigeriapoliticsonline.com)
We have also learned that specific nutrients are essential signalers for this delicate operation — nutrients like: (bengreenfieldfitness.com)
Both GH and insulin - like growth factor (IGF - 1) are key signalers. (drstevenlin.com)