AS I THINK I SEE IT.
D006664:History; D049673:History, 20th Century; D006801:Humans; D006973:Hypertension; D008511:Medicine; D012083:Renin; D012106:Research; D012701:Serotonin
D012701:Serotonin; D012083:Renin
HISTORY; HISTORY OF MEDICINE, 20TH CENT.; HYPERTENSION; RENIN; RESEARCH; SEROTONIN