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. 2020 Jan 17;68(Suppl 1):S47–S51. doi: 10.4103/ijo.IJO_1976_19
Facility A Facility B
Screening in CHC No health education No transport Health education by VHW No transport

Facility C Facility D

Screening in PHC No health education Transport to and from village Health education by VHW Transport to and from village