Let's DOH it! : how we did it / Juan M. Flavier. Let's Department of Health it Flavier, Juan M. Philippines. Department of Health. Flavier, Juan M. Philippines. Department of Health. Public health Philippines History 20th century. 362.109599 FLL Manila? : Moonlight Creatives, c1998. c1998. 1998 Text viii, 289 p. : eng Philippines