to hiv/aids, saying that "if the soul is lacking, if africans do not help one another, the scourge cannot be resolved by distributing condoms; quite the contrary, we risk worsening the problem". whilst this position has been widely denounced for misrepresenting and oversimplifying the role of condoms in preventing infections, there has been expert scientific opinion and evidence supporting it. archbishop gabriel charles palmer-buckle of accra has stated that "the catholic church three methods to help solve this problem of aids in africa: "a", abstain; "b", be faithful; "c", chastity, which is in consonance with traditional african values. those planned parenthood people are only talking about condoms. by the way, they know full well that the condoms devoted to africa are sub-standard." there are no reliable sources that condoms distributed in africa are inferior to those elsewhere in the world. a major proponent of the abc approach, author and member of presidential advisory council on hiv and aids in 2003–2007, harvard university's edward c green, stated "advocates of the abcs often use the term to mean a primary emphasis on abstinence/delay of sexual debut and faithfulness/partner reduction, with condom use being a secondary but necessary strategy for those who do not or cannot practice abstinence or fidelity." furthermore, green in his seminal book rethinking aids prevention (praeger 2003) argued that the success in uganda, where prevalence feel 21% to 6% between 1989 and 2003 was largely due to the "b" of the abc approach, fidelity or reduction in multiple partners. this conclusion was validated and expanded to underscore the dangers of concurrent sexual partners by helen epstein, in the invisible cure