This research will Consider the pharmacological activity of PF-06305591 in healthier male volunteers by assessing the consequences of two dose levels of PF-06305591 on cold pain intensity evoked by retaining non-dominant hand into a drinking water bath kept at two+/- degrees. System for planning in vivo formulation：Just take μL DMSO https://edgarrxcfj.mpeblog.com/42323498/about-pf-4191834