Participant remuneration for research--how much is enough?
Moodley
Keymanthri
K
Myer
Landon
L
D000368:Aged; D000369:Aged, 80 and over; D032984:Ethics, Research; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D035842:Research Subjects / Q000191:economics*; D013019:South Africa