1825270 YDS yin deficiency syndrome 8 1825274 YDS Youth Development Study 7 1825269 YDS Yin Deficiency Scale 2 1825273 YDS Younger Dryas Stadial 2 1825275 YDS egg-yolk-derived sialyloligosaccharide 1 1825267 YDS Yamaguchi University Mental Disorder Scale 1 1825271 YDS Yin-deficiency symptoms/signs 1 1825272 YDS Young's double-slit 1 1825268 YDS yttrium disilicate 1