There are multiple definitions:

1. photosynthetic bacteria(English)

   • SSP
   • https://pubmed.…h.gov/12211984/

2. parental supervised toothbrushing(English)

   • Dentistry, Pediatrics, Education
   • https://doi.org…0814-019-0483-9

3. pulmonary surfactant nano-biomimetic liposome(English)

   • AEC, IPF, PFD, PS
   • Biomaterials, Respiratory system, Nano-sciences
   • htpps://doi.org…als.2023.122404