title: Systolic time intervals-normal values and fresh regression in North Indian adults.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007194:India; D008297:Male; D008875:Middle Aged; D009200:Myocardial Contraction; D012016:Reference Values; D013223:Statistics as Topic; D013599:Systole