BIRC5 and cervical carcinoma: SERS-based simultaneous detection of SCCA and survivin in serumDetection limit: 6 pg/mL for SCCA and 5 pg/mL for survivinSERS intensities at 1081 cm−1 (SCCA) and 1327 cm−1 (survivin) increased in serum from cervical cancer and precancer patients compared to patients with cervicitisGood agreement between SCCA and survivin levels measured by SERS and ELISA in serum samples