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1by Montenegro,Teresa, Gilman,Robert H., Castillo,Rosa, Tsang,Victor, Brandt,Joy, Guevara,Angela, Sanabria,Hernan, Verastegui,Manuela, Sterling,Charles, Miranda,Elba
Published 1994Digital revistaSCIELO -
2by Pinto,Jesus, Roellig,Dawn M., Gilman,Robert H., Calderón,Maritza, Bartra,Carlos, Salazar,Renzo, Bern,Caryn, Ancca-Juárez,Jenny, Levy,Michael, Náquira,Cesar, Cama,Vitaliano
Published 2012Digital revistaSCIELO