Dr. Valenzuela is on Doximity
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Office
400 N Pepper Ave
# Mob
Colton, CA 92324Phone+1 909-580-6333Fax+1 909-580-3289
Education & Training
- University of Texas Health Science Center San Antonio Joe and Teresa Lozano Long School of MedicineResidency, Obstetrics and Gynecology, 1978 - 1979
- Pontifical Catholic University Mother and TeacherClass of 1974
Certifications & Licensure
- CA State Medical License 1982 - 2025
- TX State Medical License 1978 - 2016
- American Board of Obstetrics and Gynecology Obstetrics & Gynecology
- American Board of Obstetrics and Gynecology Maternal-Fetal Medicine
Clinical Trials
- A Safety and Efficacy Trial of Stannsoporfin in Neonates With Hyperbilirubinemia Start of enrollment: 2008 Aug 01
- A Study of VGX-3100 DNA Vaccine With Electroporation in Patients With Cervical Intraepithelial Neoplasia Grade 2/3 or 3 Start of enrollment: 2011 Apr 01
- Intravenous Iron Versus Oral Iron for the Treatment of Iron Deficiency Anemia Start of enrollment: 2023 Nov 21
Roles: Sub-Investigator, Contact
Publications & Presentations
PubMed
- 78 citationsThe development of circadian rhythms in the fetus and neonate.María Serón-Ferré, Claudia Torres-Farfan, María Luisa Forcelledo, Guillermo J. Valenzuela
Seminars in Perinatology. 2001-12-01 - 116 citationsmt1 Melatonin receptor in the primate adrenal gland: inhibition of adrenocorticotropin-stimulated cortisol production by melatonin.Claudia Torres-Farfan, Hans Richter, Pedro P. Rojas-García, Marcela Vergara, M. L. Forcelledo
The Journal of Clinical Endocrinology and Metabolism. 2003-01-01 - 95 citationsMaternal Melatonin Effects on Clock Gene Expression in a Nonhuman Primate FetusClaudia Torres-Farfan, V. Rocco, C Monso, F. J. Valenzuela, Carmen Campino
Endocrinology. 2006-10-01
Professional Memberships
- Fellow
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