MeSH Tree Structures - plyn zemný

[d20.345.369]

• mixtúry komplexné [d20] +
  • palivá fosílne [d20.345] +
    • uhlie [d20.345.108] +
    • plyn zemný [d20.345.369]
    • ropa [d20.345.630] +

[n06.230.132.258.369]

• prostredie životné a verejné zdravie [n06] +
  • prostredie životné [n06.230] +
    • zdroje vyrábajúce energiu [n06.230.132] +
      • palivá fosílne [n06.230.132.258] +
        • uhlie [n06.230.132.258.108] +
        • plyn zemný [n06.230.132.258.369]
        • ropa [n06.230.132.258.630] +