NOVEMBER 22, 1951 PLASTIRAS TAKEN ILL: According to a medical bulletin issued from the prime minister’s political bureau yesterday (November 15), Prime Minister Nikolaos Plastiras was troubled by some chest pains last Thursday which forced him to remain in bed. The bulletin, signed by his doctors Professor N. Tsaboulas, K. Maroulis head of the Red Cross Hospital and K. Samaras, a cardiologist, als