treating diseases to pay attention to Tong’s metho

and problems necessary to pay attention

matter need to pay attention

pay attention to

Pay attention to slight changes

Proplems to pay attention

Ability to Pay

ability to pay for health care

ability to pay for health services

Ability to pay principle

ability-to-pay

accept to pay

adjust to pay taxes

approach of willingness to pay

capacity to pay

Pay to protect

refuse to pay

the greatest willingness to pay

Transfer to pay the form

Transfer to pay the system