Experimental meta-analysis period: 42 days 23 men Not reported Judd et al., 1988 Randomized 1. 6.7 11.4 6.5 Initial: 24, final: 23 Age: 35-60 Reason for loss: crossover design years Marshall et al., 2. 10.6 10.4 3.3 personal with two 1986 interventions USA Experimental period: 42 days 23 men Not reported Sundram et al., Randomized 1. 6.0 17.5 7.7 Initial: 24, final: 23 Mean age: 22 1995 crossover design Reason for loss: years 2. 13.0 14.3 4.1 not reported with two Malaysia interventions Experimental period: 28 days
Experimental period: 42 days meta-analysis Judd et al., 1988 Marshall et al., 1986 USA Randomized crossover design with two interventions Experimental period: 42 days 1. 2. 6.7 10.6 11.4 10.4 6.5 3.3 Initial: 24, final: 23 Reason for loss: personal 23 men Age: 35-60 years Not reported Sundram et al., 1995 Malaysia Randomized crossover design with two interventions Experimental period: 28 days 1. 2. 6.0 13.0 17.5 14.3 7.7 4.1 Initial: 24, final: 23 Reason for loss: not reported 23 men Mean age: 22 years Not reported
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