- 78 - D.2.a Effectiveness of the remedies 425 Cf. Case of Ruano Torres et al. v. El Salvador, supra, para. 35. Cf. Case of Castillo Páez v. Peru. Merits. Judgment of November 3, 1997. Series C No. 34, para. 82, and Case of Lagos del Campo v. Peru. Preliminary objections, merits, reparations and costs. Judgment of August 31, 2017. Series C No. 340, para. 174. 426 Cf. Case of Goiburú et al. v. Paraguay. Merits, reparations and costs. Judgment of September 22, 2006. Series C No. 153, para. 131, and Case of Lagos del Campo v. Peru, supra, para. 174. 427 Mutatis mutandis, Case of Mejía Idrovo v. Ecuador. Preliminary objections, merits, reparations and costs. Judgment of July 5, 2011. Series C No. 228, para. 106, and Case of Lagos del Campo v. Peru, supra, para. 174. 428 Cf. Case of the “Street Children” (Villagrán Morales et al.) v. Guatemala. Merits, supra, para. 237, and Case of Lagos del Campo v. Peru, supra, para. 176. 429 Cf. Case of Velásquez Rodríguez v. Honduras. Preliminary objections. Judgment of June 26, 1987. Series C No. 1, para. 91, and Case of Lagos del Campo v. Peru, supra, para. 176. 430 Cf. Case of López Álvarez v. Honduras. Merits, reparations and costs. Judgment of February 1, 2006. Series C No. 141, para. 96, and Case of Lagos del Campo v. Peru, supra, para. 176. 431 Cf. Case of the “Mapiripán Massacre” v. Colombia. Merits, reparations and costs. Judgment of September 15, 2005, Series C No. 134, para. 210, and Case of Fornerón and daughter v. Argentina, supra, para. 108. 432