Sixto Orosa

Sixto Ylagan Orosa Sr. (August 6, 1891 – April 21, 1981) was a Filipino physician and writer.

[1][2][3] Orosa was born in Taal.

[3] Books written by Orosa, includes:[2]

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Historical marker installed by the National Historical Institute in 1991 inside the Department of Health main compound in Santa Cruz, Manila