Pierrel research has conducted hundreds of clinical trials in many therapeutic areas with special emphasis on: Oncolo-Immunology, CNS, Allergy, Cardiovascular Diseases, Dermatology, Gastrointestinal Diseases, Gynecology, Immunodeficiency Diseases, Infectious Diseases, Metabolic Diseases, Orthopedics, Otorhinolaryngology, Phlebology, Pneumology, Psychological Disorders, Rheumatology, and Urology.
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