1986
February February 1986; 18 (1): 2 - 80	April April 1986; 18 (2): 2 - 80
June June 1986; 18 (3): 2 - 76	August August 1986; 18 (4): 2 - 80
October October 1986; 18 (5): 2 - 80	December December 1986; 18 (6): 2 - 79