| 2016 | Perceived needs of pharmaceutical care services among healthcare professionals in South Korea: a qualitative study | 이정연 | Article |
| 2016 | Pharmacist-involved care for patients with heart failure and acute coronary syndrome: a systematic review with qualitative and quantitative meta-analysis | 이정연 | Review |
| 2018 | Pharmacist-led interdisciplinary medication reconciliation using comprehensive medication review in gynaecological oncology patients: A prospective study | 이정연 | Article |
| 2019 | Pharmacokinetic Alteration of Paclitaxel by Ferulic Acid Derivative | 박혜영; 이화정; 이정연; 이재옥 | Article |
| 2013 | Pharmacokinetic evaluation of formulated levodopa methyl ester nasal delivery systems | 곽혜선; 이정연 | Article in Press |
| 2019 | Pharmacy services at the PyeongChang 2018 Olympic and Paralympic Winter Games | 이정연 | Article |
| 2023 | Population pharmacokinetics and model-based dosing optimization of teicoplanin in elderly critically ill patients with pneumonia | 이화정; 이정연; 이재옥 | Article |
| 2020 | Practice considerations on the use of investigational anti-COVID-19 medications: Dosage, administration and monitoring | 이정연; 강지은 | Article |
| 2012 | Preclinical study of a potent P-glycoprotein and cytochrome P450 enzyme inducer rifampicin changing pharmacokinetic parameters of risperidone and its metabolite, 9-hydroxyrisperidone, using a rat model | 이화정; 이정연 | Article |
| 2019 | Prescribing patterns of polypharmacy in Korean pediatric patients | 이정연 | Article |
| 2019 | PyeongChang 2018 Winter Olympic Games and athletes' usage of a € polyclinic' medical services | 이정연 | Review |
| 2021 | Quantification of teicoplanin using the hplc-uv method for clinical applications in critically ill patients in Korea | 이화정; 이정연; 이재옥 | Article |
| 2017 | Regulators of an infinite family of the simplest quartic function fields | 이윤진; 이정연 | Article |
| 2022 | Risk factors of febrile neutropenia and the effects of granulocyte colony-stimulating factors in adjuvant doxorubicin and cyclophosphamide-based chemotherapy for breast cancer | 최재희 | Doctoral Thesis |
| 2013 | Rituximab에 의한 주입 관련 부작용 발생의 위험 인자 분석 | 이은정 | Master's Thesis |
| 2022 | Safety Assessment on Serious Adverse Events of Targeted Therapeutic Agents Prescribed for RAS Wild-Type Metastatic Colorectal Cancer: Systematic Review and Network Meta-Analysis | 이정연 | Review |
| 2017 | Satisfaction and expressed needs of pharmaceutical care services and challenges recognized by patients in South Korea | 이정연 | Article |
| 2018 | Service design oriented multidisciplinary collaborative team care service model development for resolving drug related problems | 이정연 | Article |
| 2021 | Signal detection of adverse drug reactions of cephalosporins using data from a national pharmacovigilance database | 최정윤; 이정연; 김명규 | Article |
| 2016 | SPECIAL VALUES OF PARTIAL ZETA FUNCTIONS OF REAL QUADRATIC FIELDS AT NONPOSITIVE INTEGERS AND THE EULER-MACLAURIN FORMULA | 이정연 | Article |
| 2021 | The association factors between survival and antibiotic use in patients receiving nivolumab for non-small cell lung cancer | 금민정 | Doctoral Thesis |
| 2018 | The effect of communication skills training on patient-pharmacist communication in pharmacy education: a meta-analysis | 이정연; 강지은 | Review |
| 2019 | The influence of a patient counseling training session on pharmacy students' self-perceived communication skills, confidence levels, and attitudes about communication skills training | 이정연; 강지은 | Article |
| 2022 | Tolerability on Serious Adverse Events of First-Line Bevacizumab and Cetuximab for RAS Wild-Type Metastatic Colorectal Cancer: A Systematic Review and Meta-Analysis | 이정연 | Review |
| 2023 | Translation of Machine Learning-Based Prediction Algorithms to Personalised Empiric Antibiotic Selection: A Population-Based Cohort Study | 최희정; 이정연 | Article |
| 2021 | Validation of a questionnaire for patient awareness and the need for a community-based outpatient antimicrobial stewardship program (O-asp): A pilot study | 최희정; 이정연; 김충종 | Article |
| 2014 | 교사 인터뷰를 통한 과학수업과 미술수업에서 나타나는 탐구과정 실태 비교 연구 | 이정연 | Master's Thesis |
| 2022 | 국내 만성 B 형 간염 입원 환자에서의 Entecavir와 Tenofovir의 치료 효과 비교 | 박효진 | Master's Thesis |
| 2017 | 급성 이식편대숙주병 예방을 위한 tacrolimus 적정 혈중농도 설정 | 김미진 | Master's Thesis |
| 2015 | 급성관상동맥증후군환자에 대한 약사의 중재와 성과 | 정다연 | Master's Thesis |
