analyzing
beaker
biochemistry
biology
biotechnology
bottle
caucasian ethnicity
chemical
chemist
chemistry
clinic
discovery
doctor
education
equipment
expertise
females
glass material
healthcare and medicine
holding
hospital
human hand
lab coat
laboratory
liquid
medical exam
medical test
medicine
medicine and science
men
microbiology
occupation
one person
people
pharmacist
pharmacy
pipette
professional occupation
research
science
scientific experiment
scientist
student
technician
technology
test tube
tubing
women
working