"100792720"^^ . "100743507"@en-us . "a clinical trial on a few persons to determine the safety of a new drug or invasive medical device; for drugs, dosage or toxicity limits should be obtained"@en-us . . . . . "phase I"@en-us . "0"^^ . . "00792720-n"^^ . . . . "0"^^ . . "phase I clinical trial"@en-us . "phase I clinical trial"^^ . .