Politano-Leadbetter Technique ...
Cohen Cross-Trigonal TechniqueCohens technique (1975) overcomes the limitation of the tunnel length in the Glenn-Anderson technique by directing the tunnel across the trigone toward the contralat...
"It is a special blessing to belong among those who can and may devote their best energies to the contemplation and exploration of objective and timeless things. How happy and grateful I am fo...