About 500 members of the Rural Doctors Society and partner organisations gather at the Public Health Ministry to demand the resignation of Public Health Minister Pradit Sinthawanarong over his decision to replace part of their hardship allowance with the controversial pay-for-performance (P4P) scheme.   Published caption : About 500 members of the Rural Doctors Society and partner organisations gather in late April at the Public HealthMinistry to demand the resignation of Minister Pradit Sinthawanarong over his decision to replace part of their hardship allowance with thecontroversial pay-for-performance scheme.