Objective To determine the prevalence of chromosome abnormalities and azoospermia factor (AZF) microdeletions in Hakka men with infertility in southern China. Methods Hakka male patients. who received clinical counselling for infertility between August 2016 and October 2017. and fertile male controls. https://herbsdailyes.shop/product-category/suction-canisters-and-liners/