title: Letter: Protamine sulfate and fish allergy.
mesh_terms: D004342:Drug Hypersensitivity / Q000209:etiology*; D005396:Fish Products; D005512:Food Hypersensitivity / Q000150:complications* / Q000209:etiology; D006801:Humans; D011479:Protamines / Q000009:adverse effects*
chemical_list: D011479:Protamines