This has just provided to me:
From patambyah(_at_)gmail(_dot_)com Thu May 26 08:51:20 2016
Date: Thu, 26 May 2016 23:51:18 +0800
From: Paul Ananth Tambyah <patambyah(_at_)gmail(_dot_)com>
To: Laina Greene <laina(_at_)getit(_dot_)org>
Subject: Re: need a letter from a doctor
Hi Ms Greene
Thanks for your email. Would an email reply suffice?
Can you let your friends know that I am a senior consultant Infectious
Diseases Physician at the National University Hospital who has held a
Singapore medical license continuously since 1988-89. The Singapore
Code of Medical Ethics is very clear that doctors are not permitted to
refuse treatment to anyone - see
http://www.healthprofessionals.gov.sg/content/hprof/smc/en/topnav/guidelines/ethical_code_and_ethical_guidelines.html
Consent issues are governed by the laws of Singapore. For children,
"The legal right to give consent for children lies with persons of
legal parental responsibility" - see
https://www.sma.org.sg/UploadedImg/files/Publications%20-%20SMA%20News/4508/CMEP.pdf
If a child has been legally adopted by an individual or a couple of
any gender and there is legal evidence to support the guardianship of
the adult over the child, there should be no issue with the legal
guardian (or guardians). Singapore is however taking action on human
trafficking and if the authorities suspect that the child was a victim
of trafficking, then they are entitled to take whatever action they
think necessary to protect the child. It is best to ensure that all
the paperwork documenting legal guardianship of children is cast iron
in order to avoid any misunderstandings.
I hope that helps
Paul Ananth Tambyah
Professor of Medicine
Senior Consultant ID Physician