Couto, Egle, Ricardo Barini, Marcelo Luís Nomura, Joyce Maria Annichino-Bizzacchi, and João Luiz Pinto e Silva. “Methylene Tetrahydrofolate Reductase Gene Mutation Together With Anticardiolipin Antibody During Pregnancy: A Case Report”. São Paulo Medical Journal 120, no. 5 (September 9, 2002): 152–153. Accessed October 16, 2025. https://periodicosapm.emnuvens.com.br/spmj/article/view/2720.