Cephalosporins were developed from cephalosporin C, a natural product of However, unlike many penicillins, cephalosporins are resistant to β-lactamase the structure–activity relationships that can be studied using the functionalization. For cephalosporins, the rate of cross-reactivity with penicillins is lower than previously believed. A common myth is that about 10% of patients. When reporting past problems with antibiotics, it is important to provide penicillin (or closely related antibiotic) allergy and require penicillin to.
Черт возьми! - выругался Бринкерхофф.
- В обеих бомбах уран. Элементы, ответственные за Хиросиму и Нагасаки, - оба являются ураном.