-_p_: Open pdf _w_: WOS _g_: Google Scholar _s_: Copy citation to clipboard
-_u_: Open url _r_: WOS related _p_: Pubmed _k_: Copy key to clipboard
+_p_: Open pdf _w_: WOS _g_: Google Scholar _K_: Copy citation to clipboard
+_u_: Open url _r_: WOS related _P_: Pubmed _k_: Copy key to clipboard