77e73faf_xual_acquisition_of_HIV_in_men__Reason_for_exclusion
[Study] Harrison 91 [Reason for exclusion] 
This case-control was matched on age, but not on sex. The author was contacted to obtain the results for men only, but as the study had not matched for sex, he was not able to provide us with the necessary results for inclusion in the review.
Male circumcision for prevention of heterosexual acquisition of HIV in men
Reason for exclusion