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Samples were desalted for 1 min and eluted onto the mass spectrometer using a 585% acetonitrile gradient over 2.5 min at a flow rate of 0.4 ml min 1
Melasma : This is a complex and stubborn type of pigmentation that is a result of hormonal dysregulation and sun exposure
The injection site gets a bit red sometimes, but that fades within an hour
In: Dodda JM, Deshmukh K, Bezuidenhout D, editors
Chen X, Lan X, Roche I, Liu R, Geiger JD
Liu, S., Sun, Y., Zhao, R., Wang, Y., Zhanga, W., and Pang, W
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