RELATION OF SECOND TRIMESTER BLOOD PRESSURE TO  TOXEMIA OF PREGNANCY IN THE PRIMIGRAVID PATIENT.
D044383:Black People; D001794:Blood Pressure; D001795:Blood Pressure Determination; D005260:Female; D020073:Gravidity; D006801:Humans; D011225:Pre-Eclampsia; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D013223:Statistics as Topic
BLOOD PRESSURE; NEGROES; PREGNANCY; PREGNANCY TOXEMIAS; STATISTICS