The debate continues on "money back guarantees".
Levy
M
M
Sagoskin
A
A
Stillman
R
R
Widra
E
E
Mottla
G
G
Greenhouse
S
S
D000328:Adult; D005260:Female; D005307:Fertilization in Vitro / Q000191:economics*; D017048:Health Care Costs; D006801:Humans