"method most used" is correct and usable in written English
It's often used as part of a larger comparison or contrast statement. For example, "Although the microwave oven is the cooking method most used in modern times, it's not the only option."
Due to the convenience of application, BIO is the non-invasive method most used to characterize groups and populations [ 3, 4].
Conventional radiology using mammography and ultrasound is the method most used for the initial staging and the assessment of tumour response to neoadjuvant chemotherapies.
The COSOPT cosine-wave fitting algorithm [ 35- 38] is one of several, and arguably the method most used to mine gene expression data for genes rhythmically expressed with a sinusoidal expression pattern [ 36, 37, 39- 43].
Culture and real-time PCR (qPCR) are the methods most used for quantitation of microorganisms in different conditions or environments (Sontakke et al. 2009; Maciel et al. 2011).
Reputation assassination and a public stoning of their image have been among the methods most used against the Ladies in White.
Traditional methods most used for early detection have been regular and periodic self examination and annual or biannual check-ups using mammography and analysis of tissue biopsies.
Treatment methods most used for these adolescents were Mentalization-based Treatment (MBT, 25%), Emotion Regulation Training (ERT, 16.7%), Schema-focused Therapy (SFT, 12.5%), and Dialectical Behavior Therapy (DBT, 12.5%).
Men favour bloodier methods: most use a gun, whereas less than a third of women do.
The IFM method is the most used method.
Among them, impedance based fault location methods are most used by utilities [3, 4].
These traditional methods were most used in first sexual relationships.
