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Cooper P, Guderian R, Orellana P, Sandoval C, Olalla H, Valdez M, Calvopiña M, Guevara A, Griffin G.Cooper P, et al.Trans R Soc Trop Med Hyg. 1997 Sep-Oct;91(5):544-6. doi: 10.1016/s0035-9203(97)90019-5.Trans R Soc Trop Med Hyg. 1997.PMID: 9463663
Guderian RH, Guzman JR, Calvopiña M, Cooper P.Guderian RH, et al. Among authors: cooper p.Trop Geogr Med. 1991 Jan-Apr;43(1-2):142-7.Trop Geogr Med. 1991.PMID: 1750104
Guderian R, Guevara A, Cooper P, Rugeles MT, Arango C.Guderian R, et al. Among authors: cooper p.Trans R Soc Trop Med Hyg. 1994 Jul-Aug;88(4):399-400. doi: 10.1016/0035-9203(94)90398-0.Trans R Soc Trop Med Hyg. 1994.PMID: 7570816No abstract available.
Cooper P, Guderian R, Paredes W, Daniels R, Perera D, Espinel M, Valdez M, Griffin G.Cooper P, et al.Trans R Soc Trop Med Hyg. 1996 May-Jun;90(3):241-3. doi: 10.1016/s0035-9203(96)90229-1.Trans R Soc Trop Med Hyg. 1996.PMID: 8758062
Cooper PJ, Chico ME, Bland M, Griffin GE, Nutman TB.Cooper PJ, et al.Am J Respir Crit Care Med. 2003 Aug 1;168(3):313-7. doi: 10.1164/rccm.200211-1320OC. Epub 2003 Apr 24.Am J Respir Crit Care Med. 2003.PMID: 12714349
Calvopiña M, Guderian RH, Paredes W, Cooper PJ.Calvopiña M, et al.Trans R Soc Trop Med Hyg. 2003 Jul-Aug;97(4):451-4. doi: 10.1016/s0035-9203(03)90088-5.Trans R Soc Trop Med Hyg. 2003.PMID: 15259481Clinical Trial.
Calvopina M, Guevara AG, Armijos RX, Hashiguchi Y, Davidson RN, Cooper PJ.Calvopina M, et al.Int J Dermatol. 2004 Sep;43(9):659-63. doi: 10.1111/j.1365-4632.2004.02183.x.Int J Dermatol. 2004.PMID: 15357745Clinical Trial.
Calvopina M, Gomez EA, Sindermann H, Cooper PJ, Hashiguchi Y.Calvopina M, et al.Am J Trop Med Hyg. 2006 Dec;75(6):1074-7.Am J Trop Med Hyg. 2006.PMID: 17172368