41 Educational services, namely, providing courses of instruction at the undergraduate, graduate and professional levels in the fields of medicine, nursing, health sciences, biomedical sciences, dental medicine, health administration, rehabilitation sciences, physical therapy, biochemistry, molecular biology, pharmaceutical sciences, pharmacology, environmental health sciences, marine biosciences, microbiology, immunology, biometry, epidemiology, and medical humanities; providing medical training in the fields of medicine, nursing, health sciences, biomedical sciences, dental medicine, health administration, rehabilitation sciences, physical therapy, biochemistry, molecular biology, pharmaceutical sciences, pharmacology, environmental health sciences, marine biosciences, microbiology, immunology, biometry, epidemiology, and medical humanities