RESULTS	Salivary SIgA secretion rates decreased during the camp in the placebo group ( before vs. second , middle , and final day of camp , and after the camp : 146 89 vs. 87 56 , 70 45 , 94 58 , and 116 71 g/min ) , whereas no such decreases were observed in the chlorella group ( 121 53 vs. 113 68 , 98 69,115 80 , and 128 59 g/min ) .\