Four-level evaluation of health promotion intervention for preventing early childhood caries: a randomized controlled trial. [PDF]
BMC Public Health, 2017 Basir L +3 more
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Comparison of two reconstructive techniques in the surgical management of four-level cervical spondylotic myelopathy. [PDF]
Biomed Res Int, 2015 Li F +9 more
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Clinically Relevant Four-Level Cancer-Related Fatigue Among Patients With Various Types of Cancer. [PDF]
J Adv Pract Oncol, 2016 Wang HL +8 more
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Trophic assimilation efficiency markedly increases at higher trophic levels in four-level host-parasitoid food chain. [PDF]
Proc Biol Sci, 2016 Sanders D +3 more
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Anterior cervical discectomy and fusion with stand-alone anchored cages versus posterior laminectomy and fusion for four-level cervical spondylotic myelopathy: a retrospective study with 2-year follow-up. [PDF]
BMC Musculoskelet Disord, 2018 Wang B, Lü G, Kuang L.
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Preoperative axillary lymph node staging by ultrasound-guided cytology using a four-level sonographic score. [PDF]
BMC Med Imaging, 2016 De Coninck C +3 more
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Outcomes Evaluation of Zero-Profile Devices Compared to Stand-Alone PEEK Cages for the Treatment of Three- and Four-Level Cervical Disc Disease. [PDF]
Cureus, 2016 Gerszten PC +5 more
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Reliability and validity of an Italian four-level emergency triage system [PDF]
Crit Care, 2012 Parenti N +5 more
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Practical Dyspnea Assessment: Relationship Between the 0-10 Numerical Rating Scale and the Four-Level Categorical Verbal Descriptor Scale of Dyspnea Intensity. [PDF]
J Pain Symptom Manage, 2015 Wysham NG +6 more
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