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Deletion patterns in Y chromosome long arm detected by PCR-rSSO method. Major deletions: AZFa, AZFb, AZFb+c, and AZFc; minor deletions: Ym-3, Ym-6, Ym-8, Ym-9, Ym-11, and Ym-12; Y chromosome long arm terminal deletions: Yq I, Yq II, Yq III, Yq IV, Yq V, and Yq VI. All deletion patterns are defined in our previous study.3 AZF: azoospermia factor; PCR-rSSO: polymerase chain reaction-reverse sequence-specific oligonucleotide.
