TY - GEN AU - Lahad,A AU - Levy-Lahad,E TI - Nurse practitioners as endoscopists SN - 0028-4793 PY - 1994///0526 KW - Clinical Competence KW - Humans KW - Nurse Practitioners KW - Sigmoidoscopy N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1056/NEJM199405263302114 ER -