Nghiên c?u này c?ng ch? ra m?i liên h? gi?a vi?c th??ng xuyên ?n h?i s?n v?i s? gia t?ng ham mu?n tình d?c ? nam l?n n?, ??ng th?i giúp c?i thi?n ch?t l??ng tinh trùng, t?ng kh? n?ng th? thai.2. There needs to be a declaration of compliance to meals security polices and registration of declaration of compliance to food security laws at the M