🧑‍🔬🤏👥

#small sample size #research participants #low n study #few subjects #clinical trial n #small group

🧑‍🤝‍🧑📋💊

#research participants #human trials #informed consent #treatment group #intervention study #patient study #clinical investigation #placebo group

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#research participants #patient study #human trials #research volunteer #hospital study #study protocol