Respiratory Problems: If you are struggling with thick yellow mucus, then this remedy is the best Option to suit your needs. Whether it is bronchitis, asthma, or sinus infections, Kali Sulphuricum will help apparent the congestion and enhance respiratory.??ng th?i, t?ng kh? n?ng ch?ng ch?u và s?c kháng cho cây trong ?i?u ki?n kh?c nghi?t.Nh?n 2