title: Antiphospholipid syndrome and polyarteritis nodosa: a diagnostic and therapeutic challenge.
authors: Internal Medicine Department, Centro Universitário do Estado do Pará, Universidade Federal do Pará, Belém, PA, Brazil.
authors: Cezar Augusto M
authors: CA
authors: Caldas
authors: Jozélio Freire
authors: JF
authors: de Carvalho
mesh_terms: D000328:Adult; D016736:Antiphospholipid Syndrome / Q000150:complications / Q000175:diagnosis* / Q000628:therapy; D006801:Humans; D008297:Male; D010488:Polyarteritis Nodosa / Q000150:complications / Q000175:diagnosis* / Q000628:therapy