Natural helpers as street health workers among the black urban elderly.
Milligan
S
S
Maryland
P
P
Ziegler
H
H
Ward
A
A
D001741:Black or African American; D000368:Aged; D003150:Community Health Workers; D003256:Community Participation; D006299:Health Services for the Aged; D006801:Humans; D008875:Middle Aged; D012944:Social Support; D014505:Urban Population