Comparative efficacy of two doramectin treatment schemes with a conventional treatment program for the control of endo and ectoparasites of crossbred Zebu cattle - Bressan, Maria Cecilia Reale Vieira; Gennari, Solange Maria; Caproni Junior, L; Gonçalves, L C B; Umehara, O (Revista Brasileira de Parasitologia Veterinária, 1998)