Are researchers moving away from animal models as a result of poor clinical translation in the field of stroke? An analysis of opinion papers. BMJ Open Science 4:e100041. doi:10.1136/bmjos-2019-100041 The vast majority of records in the James Lind Library illustrate progress in the evaluation of clinical and public health interventions. Over the past decade we have added records illustrating progress in the evaluation of animal and other pre-clinical research. This record is one of the JLL’s collection of animal and other pre-clinical research.