What is hh?

Some articles on hh:

HH - Other
... hh, hands high hh, Happy Hour HH, brassiere cup size hh, a falconer's abbreviation for Harris hawk Heil Hitler, the Hitler salute, an abbreviation used by neo-nazis ...
Line Of Succession To The Former Hessian Throne - Hesse-Philippsthal-Barchfeld and Hesse-Philippsthal
... Head HH Wilhelm, Landgrave of Hesse-Philippsthal-Barchfeld (born 1933) HH Prince Wilhelm of Hesse (born 1963) HH Prince Wilhelm Ernst Constantin (born 2005) HH Prince Philipp August (born ...
Cyclopamine
... It does so by inhibiting the hedgehog signaling pathway (Hh) ... Cyclopamine is useful in studying the role of Hh in normal development, and as a potential treatment for certain cancers in which Hh is overexpressed ...
Sikorsky S-20 - Bibliography
... S-97 S-300 S-333 S-434 Helicopters (Military designations) SH-3 HH-3E/F R-4 H-5 H-6 H-18 H-19 H-34 CH-37 XH-39 HH-52A CH-53 CH-53E CH-53K CH-54 HH-60G HH-60J MH-60R/S SH-60B/F SH-60J ...