Chao bac si. Toi hien nay 27t dang song va lam viec tai Vung Tau. Toi hien tai dang bi xuat tinh som, toi co tim hieu lam sao chua xuat tinh som . Nhung toi dang phan van thuoc trong nhung bai viet tren mang khong biet thuoc co tot khong va co nhung tac dung phu gi co hai. Mong bac si cho biet

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